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Fast, Accurate Field Compliance Checks for UK Coastal Waters & Commercial Decks Checking Minimum Conservation Reference Sizes (MCRS) quickly on a moving deck or wet shore rocks requires a rigid, reliable tool. Standard flat plastic gauges flex under pressure, while metal callipers rust and add unnecessary weight to tackle bags. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this 3-in-1 commercial and recreational shellfish gauge integrates three vital fishery measuring callipers into a single compact, rigid frame. Engineered with precise openings for 70mm, 90mm, and 150mm species limits, it delivers fast compliance checks right at the water's edge. Key Marine Engineering Features & Field Benefits Rigid Triangular Truss Architecture: Engineered with a structural truss framework that eliminates flex across measuring faces while maintaining an ultra-lightweight, ergonomic grip. Heavy-Duty 4mm Solid Profile: Extra-thick 4mm construction provides high dimensional stability and impact strength, ensuring accurate measurements without flexing during rapid deck sorting. Multi-Species MCRS Callipers: Features three targeted measuring callipers on a single tool: 70mm Notch: Velvet Swimming Crab (Necora puber) 90mm Notch: European / Common Lobster (Homarus gammarus) 150mm Notch: Edible / Brown Crab (Cancer pagurus) 100% Weatherproof Marine PETG: Precision 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade under direct UV light, or snap when dropped on wet rocks or steel decks. Inlaid High-Contrast Text: Dual-color molded lettering and size markings provide instant, high-visibility identification in low light, sea spray, or dark sorting bays. Technical Specifications & Marine Fitment Gauge Calliper Dimensions: 70mm, 90mm, and 150mm Precision Notches Material: Outdoor Marine-Grade PETG Polymer Thickness: Heavy-Duty 4.0 mm Profile Design Type: Rigid Triangular Structural Truss Frame Target Species: Velvet Swimming Crab, European Lobster, and Edible Brown Crab Manufacturing Origin: Designed & Made in the UK Package Contents 1x 3-in-1 (70mm / 90mm / 150mm) Commercial & Recreational Shellfish Gauge Custom Sizes & Regional Modifications Custom Sizing & IFCA Regulations: Need specific calliper dimensions tailored to your local Inshore Fisheries and Conservation Authority (IFCA) bylaws or regional fishing limits? Contact us prior to checkout and we can modify the master CAD model for your custom print. Custom Colorways: Standard supply features high-visibility marine markings. Custom color combinations are available upon request.

Dual 80mm & 87mm Compliance Checks for Guernsey & Channel Islands Waters Measuring marine catches accurately at sea or along rocky coastal shores requires robust, saltwater-proof tools. Metal gauges can corrode or add unnecessary weight to your kit, while cheap molded plastics easily crack under pressure or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 80mm and 87mm marine gauge is specifically configured for recreational divers, commercial fishers, and shore gatherers across Guernsey and the Channel Islands. Precision-engineered with an 80mm slot and an 87mm slot, this tool delivers fast, legal compliance checks right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 80mm & 87mm Precision Openings: Features an 80mm slot and an 87mm slot for fast, dual-check measurements of Ormers (Haliotis tuberculata) and legal minimum size lobsters without swapping tools. Dual Lanyard Mounting Holes: Molded with two heavy-duty attachment points so you can easily secure the gauge to a wrist lanyard, dive harness, belt clip, or catch bag—ensuring it won't drift away in coastal currents. 100% Saltwater & Weatherproof PETG: 3D-printed using high-density marine-grade PETG polymer. Unlike PLA or low-grade plastics, PETG will not absorb water, degrade in UV light, or snap when subjected to impact. High-Visibility Engraved Digits: High-contrast red lettering set against a bright yellow background makes measurements easily readable underwater, in low light, or through heavy sea spray. Custom Gauge Sizes Available: Need specific regional combinations (e.g., custom Ormer, Crab, or mainland UK dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 80mm Slot & 87mm Slot (Ormer / Lobster Legal Minimum Limits) Lanyard Attachment: 2x Integrated Rigging Holes Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Red Engraved Markings Regional Target: Guernsey, Jersey, and Channel Islands Coastal Bylaws Manufacturing Origin: Designed & Made in the UK Package Contents 1x Channel Islands Dual 80mm & 87mm Ormer & Lobster Measuring Gauge Custom Sizes, Colors, & Shipping Custom Dimensions: If your local fishing district or diving club requires custom legal slot limits, message us prior to ordering to customize the CAD file. Custom Colors: Standard supply is high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Dual 87mm Compliance Checks for Guernsey & Channel Islands Waters Measuring marine catches accurately at sea or along the rocky coastline requires robust, saltwater-proof tools. Traditional metal gauges can corrode or add weight to your dive kit, while cheap molded plastics easily crack on rocks or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 87mm marine gauge is specifically configured for recreational divers, commercial fishers, and shore gatherers across Guernsey and the Channel Islands. Precision-engineered with two standard 87mm slots (for Ormers and legal-size Lobsters), this tool delivers fast, legal compliance checks right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 87mm Precision Openings: Features two identical 87mm precision slots for fast, dual-check measurements of Ormers (Haliotis tuberculata) and minimum legal size lobsters without adjusting your grip. Dual Lanyard Mounting Holes: Molded with two heavy-duty attachment points so you can easily secure the gauge to a wrist lanyard, dive harness, belt clip, or catch bag—ensuring it won't drift away in coastal currents. 100% Saltwater & Weatherproof PETG: 3D-printed using high-density marine-grade PETG polymer. Unlike PLA or low-grade plastics, PETG will not absorb water, degrade in UV light, or snap when subjected to impact. High-Visibility Engraved Digits: High-contrast red lettering set against a bright yellow background makes measurements easily readable underwater, in low light, or through sea spray. Custom Gauge Sizes Available: Need specific regional combinations (e.g., 87mm Ormer / 140mm Crab, or custom UK mainland dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: Dual 87mm (Ormer / Lobster Legal Minimum Width/Length) Lanyard Attachment: 2x Integrated Rigging Holes Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Red Engraved Markings Regional Target: Guernsey, Jersey, and Channel Islands Coastal Bylaws Manufacturing Origin: Designed & Made in the UK Package Contents 1x Channel Islands Dual 87mm Ormer & Lobster Measuring Gauge Custom Sizes, Colors, & Shipping Custom Dimensions: If your local fishing district or diving club requires custom legal slot limits, message us prior to ordering to customize the CAD file. Custom Colors: Standard supply is high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Ergonomic Dual-Size Compliance Checks for Shellfish Harvesting Having to carry multiple single-size measuring tools while wading, shore gathering, or diving creates unnecessary clutter in your kit. Fumbling with separate rulers in cold coastal waters or while wearing heavy gloves slows down your catch checks and risks dropping gear into deep rock pools. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this double-sided dual 80mm and 90mm shellfish gauge provides two essential size checks in a single, lightweight tool. Built with a contoured central handle and high-visibility permanent size markings, it allows you to test both 80mm and 90mm legal limits instantly. Key Marine Engineering Features & Field Benefits Dual-Size Combination (80mm & 90mm): Features an 80mm opening on one end and a 90mm opening on the opposite end—allowing you to quickly check different species or regional landing limits without swapping tools. Ergonomic Center Handle: Designed with a contoured paddle grip that provides maximum control and leverage, even when working with wet hands or thick neoprene dive gloves. Clear Molded-In Size Markings: Millimeter dimensions are permanently 3D-molded directly into the body of the gauge, ensuring the text will never rub off, fade, or peel in marine environments. 100% Weatherproof Marine PETG: Precision 3D-printed using heavy-duty marine-grade PETG polymer. It will not absorb saltwater, degrade under UV exposure, or fracture if dropped on wet rocks or boat decks. Custom Regional Sizing Available: Need a different combination of sizes to match your local district bylaws (e.g., 80mm / 87mm, or 85mm / 90mm)? The CAD file can be altered to your exact millimeter specifications prior to dispatch. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 80mm (8cm) Slot & 90mm (9cm) Slot Target Species: Ormer (Haliotis tuberculata), Abalone, and various coastal shellfish species Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Markings Manufacturing Origin: Designed & Made in the UK Package Contents 1x Double-Sided Dual-Size (80mm / 90mm) Ormer & Abalone Gauge with Ergonomic Handle (Note: Listing includes the measuring gauge tool only. Accessories, lanyards, boats, and waders are not included). Custom Sizes & Color Requests Custom Dimensions: If your local harvesting zone or dive site requires a non-standard minimum landing size, contact us prior to ordering and we will update the CAD model to your exact specifications. Custom Colors: Standard delivery ships in high-visibility Yellow. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Ergonomic Double-Sided Size Checks for Shellfish Harvesting Informed gatherers and divers know that accurate, quick measurements are essential to maintaining marine conservation standards and avoiding regulatory fines. Fumbling with flat, slippery plastic rulers or metal calipers in cold coastal waters or while wearing dive gloves leads to dropped catch and wasted time. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this double-sided 80mm Ormer and Abalone measuring gauge is engineered specifically for fast field compliance checks. Built with an ergonomic paddle handle and high-visibility permanent size markings, it offers an instant, accurate size check from either side of the tool. Key Marine Engineering Features & Field Benefits Double-Sided 80mm Measurement Slots: Features dual-facing 80mm (8cm) precision slots, allowing you to quickly check catches from either orientation without flipping the tool around. Ergonomic Handled Design: Integrated contoured handle provides a comfortable, slip-resistant grip—even when working with cold, wet hands or wearing thick neoprene dive gloves. Clear Molded-In Size Markings: The 80mm dimension is permanently 3D-molded directly into the body of the gauge, ensuring the numbers will never rub, wash, or scrape off. 100% Weatherproof Marine PETG: Precision-printed using heavy-duty, marine-grade PETG polymer. It will not absorb water, degrade under UV rays, or fracture when dropped on wet rocks or boat decks. Custom Regional Sizing: Need a custom size to meet specific regional fishery bylaws (e.g., 85mm, 87mm, or 90mm)? The CAD geometry can be altered to your exact millimeter specifications prior to dispatch. Technical Specifications & Marine Fitment Gauge Slot Dimension: 80mm (8cm) Double-Sided Slot Target Species: Ormer (Haliotis tuberculata), Abalone, and small shellfish species Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Markings Manufacturing Origin: Designed & Made in the UK Package Contents 1x Double-Sided 80mm Ormer & Abalone Shellfish Gauge with Ergonomic Handle Custom Sizes & Color Requests Custom Dimensions: If your local harvesting district or dive site requires a different minimum landing size, contact us prior to ordering and we will adjust the CAD model to your exact requirements. Custom Colors: Standard delivery ships in high-visibility Yellow. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks for Coastal Waters & Boat Decks Checking legal Minimum Conservation Reference Sizes (MCRS) at sea, on moving boat decks, or along wet coastal rocks requires a fast, reliable tool. Metal gauges easily corrode, scratch equipment, or add unnecessary weight to gear bags, while cheap molded plastics crack underfoot or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 140mm and 87mm marine measuring gauge is engineered for rapid size verification. Featuring precision openings for 140mm crab (Edible/Brown Crab) and 87mm lobster (European/Common Lobster carapace) legal limits, this tool gives recreational anglers and commercial fishers an instant compliance check right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 140mm & 87mm Precision Openings: Features a 140mm slot for crab width checks and an 87mm slot for lobster carapace length checks—providing two essential compliance checks on a single compact tool. 100% Weatherproof Marine PETG: 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade under direct UV light, or snap when dropped on wet rocks or steel boat decks. High-Visibility Contrast Markings: Printed in high-visibility yellow with bold red digits, making size dimensions clear and readable in direct sunlight, low light, or through heavy sea spray. Lightweight & Field-Ready: Engineered for minimal bulk in tackle boxes, fishing vests, dive belts, or catch bags while maintaining rigid structural integrity across both measuring slots. Fully Custom Sizes & Combinations: Need specific regional slot sizes (e.g., 150mm, 160mm, 90mm, or custom Scallop, Ormer, and Abalone dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 140mm Width Slot (Crab) & 87mm Length Slot (Lobster) Target Species: Edible Brown Crab (Cancer pagurus) and European Lobster (Homarus gammarus) Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 1x Dual-Slot (140mm / 87mm) Crab & Lobster Measuring Gauge Custom Sizes & Color Requests Custom Dimensions: If your local IFCA district, regional council, or fishing club requires different minimum legal slot sizes (or scallop/crawfish additions), message us prior to ordering and we will update the CAD model to your exact specs. Custom Colors: Standard delivery ships in high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks with Multi-Buy Pack Value Checking legal minimum landing sizes at sea or along rocky coastlines requires a fast, reliable tool. Metal gauges easily corrode, weigh down gear bags, or scratch equipment, while cheap molded plastics crack underfoot or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 140mm and 88mm marine measuring gauge is engineered for rapid size verification. Featuring precision openings for 140mm crab and 88mm lobster legal limits, this tool gives recreational and commercial fishers an instant compliance check right at the water's edge. Supplied in a discounted 2-pack, you can keep one on the boat or shore bag and a spare in your tackle box. Key Marine Engineering Features & Field Benefits Dual 140mm & 88mm Precision Slots: Features a 140mm slot for crab width checks and an 88mm slot for lobster carapace checks—covering two essential compliance measurements on a single compact tool. Discounted 2-Pack Value: Standard production is optimized to print two units simultaneously, allowing us to pass significant manufacturing savings directly to you. 100% Weatherproof Marine PETG: 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade in direct UV light, or snap when dropped on wet rocks or boat decks. High-Visibility Contrast Markings: Printed in high-visibility yellow with bold red digits, making size dimensions clear and readable in direct sunlight, low light, or through heavy sea spray. Fully Custom Sizes & Combinations: Need specific regional slot sizes (e.g., 150mm, 160mm, or custom Ormer/Abalone dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 140mm Width Slot (Crab) & 88mm Length Slot (Lobster) Quantity Supplied: Pack of 2 Gauges Target Species: Edible Brown Crab, Velvet Swimming Crab, and European Lobster Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 2x Dual-Slot (140mm / 88mm) Crab & Lobster Measuring Gauges Custom Sizes & Color Requests Custom Dimensions: If your local district, county, or fishing club requires different minimum legal slot sizes, message us prior to ordering and we will update the CAD model to your exact specs. Custom Colors: Standard delivery ships in high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks for Coastal Waters & Commercial Decks Checking legal Minimum Conservation Reference Sizes (MCRS) at sea, on moving decks, or along wet coastal rocks requires a fast, reliable tool. Metal gauges easily corrode, scratch equipment, or add unnecessary weight to gear bags, while cheap molded plastics crack underfoot or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 140mm and 90mm marine measuring gauge is engineered for rapid size verification. Featuring precision openings for 140mm crab (Brown/Edible Crab MCRS) and 90mm lobster (European/Common Lobster carapace MCRS) legal minimum limits, this tool gives recreational and commercial fishers an instant compliance check right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 140mm & 90mm Precision Openings: Features a 140mm slot for crab width checks and a 90mm slot for European lobster carapace checks—providing two essential compliance checks on a single compact tool. 100% Weatherproof Marine PETG: 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade under direct UV light, or snap when dropped on wet rocks or steel boat decks. High-Visibility Contrast Markings: Printed in high-visibility yellow with bold red digits, making size dimensions clear and readable in direct sunlight, low light, or through heavy sea spray. Lightweight & Field-Ready: Engineered for minimal bulk in tackle boxes, fishing vests, dive belts, or catch bags while maintaining rigid structural integrity across both measuring slots. Fully Custom Sizes & Combinations: Need specific regional slot sizes (e.g., 150mm, 160mm, or custom Scallop, Ormer, and Abalone dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 140mm Width Slot (Crab) & 90mm Length Slot (Lobster) Target Species: Edible Brown Crab (Cancer pagurus) and European Lobster (Homarus gammarus) Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 1x Dual-Slot (140mm / 90mm) Crab & Lobster Measuring Gauge Custom Sizes & Color Requests Custom Dimensions: If your local IFCA district, regional council, or fishing club requires different minimum legal slot sizes (or scallop/crawfish additions), message us prior to ordering and we will update the CAD model to your exact specs. Custom Colors: Standard delivery ships in high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks for Coastal Waters & Commercial Decks Checking legal minimum landing sizes at sea, on moving decks, or along wet coastal rocks requires a fast, reliable tool. Metal gauges easily corrode, scratch equipment, or add unnecessary weight to gear bags, while cheap molded plastics crack underfoot or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 150mm and 90mm marine measuring gauge is engineered for rapid size verification. Featuring precision openings for 150mm crab (Edible/Brown Crab) and 90mm lobster (European/Common Lobster) legal minimum conservation limits, this tool gives recreational and commercial fishers an instant compliance check right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 150mm & 90mm Precision Openings: Features a 150mm slot for brown crab width checks and a 90mm slot for European lobster carapace checks—giving you two essential compliance checks on a single compact tool. 100% Weatherproof Marine PETG: 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade under direct UV light, or snap when dropped on wet rocks or steel boat decks. High-Visibility Contrast Markings: Printed in high-visibility yellow with bold red digits, making size dimensions clear and readable in direct sunlight, low light, or through heavy sea spray. Lightweight & Field-Ready: Engineered for minimal bulk in tackle boxes, fishing vests, dive belts, or catch bags while maintaining rigid structural integrity across both measuring slots. Fully Custom Sizes & Combinations: Need specific regional slot sizes (e.g., 140mm, 160mm, or custom Scallop, Ormer, and Abalone dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 150mm Width Slot (Crab) & 90mm Length Slot (Lobster) Target Species: Edible Brown Crab (Cancer pagurus) and European Lobster (Homarus gammarus) Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 1x Dual-Slot (150mm / 90mm) Crab & Lobster Measuring Gauge Custom Sizes & Color Requests Custom Dimensions: If your local IFCA district, regional council, or fishing club requires different minimum legal slot sizes (or scallop/crawfish additions), message us prior to ordering and we will update the CAD model to your exact specs. Custom Colors: Standard delivery ships in high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks for UK Coastal Waters & Commercial Decks Checking legal Minimum Conservation Reference Sizes (MCRS) at sea, on moving decks, or along wet coastal rocks requires a fast, reliable tool. Metal gauges easily corrode, scratch equipment, or add unnecessary weight to gear bags, while cheap molded plastics crack underfoot or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 160mm and 90mm marine measuring gauge is engineered for rapid size verification. Featuring precision openings for 160mm crab (Male Edible/Brown Crab MCRS) and 90mm lobster (European/Common Lobster) legal limits, this tool gives recreational and commercial fishers an instant compliance check right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 160mm & 90mm Precision Openings: Features a 160mm slot for male brown crab width checks and a 90mm slot for European lobster carapace checks—providing two essential compliance checks on a single compact tool. 100% Weatherproof Marine PETG: 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade under direct UV light, or snap when dropped on wet rocks or steel boat decks. High-Visibility Contrast Markings: Printed in high-visibility yellow with bold red digits, making size dimensions clear and readable in direct sunlight, low light, or through heavy sea spray. Lightweight & Field-Ready: Engineered for minimal bulk in tackle boxes, fishing vests, dive belts, or catch bags while maintaining rigid structural integrity across both measuring slots. Fully Custom Sizes & Combinations: Need specific regional slot sizes (e.g., 140mm, 150mm, or custom Scallop, Ormer, and Abalone dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 160mm Width Slot (Male Brown Crab) & 90mm Length Slot (Lobster) Target Species: Edible Brown Crab (Cancer pagurus) and European Lobster (Homarus gammarus) Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 1x Dual-Slot (160mm / 90mm) Crab & Lobster Measuring Gauge Custom Sizes & Color Requests Custom Dimensions: If your local IFCA district, regional council, or fishing club requires different minimum legal slot sizes (or scallop/crawfish additions), message us prior to ordering and we will update the CAD model to your exact specs. Custom Colors: Standard delivery ships in high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks for Coastal Waters & Commercial Decks Checking legal Minimum Conservation Reference Sizes (MCRS) at sea, on moving decks, or along wet coastal rocks requires a fast, reliable tool. Metal gauges easily corrode, scratch equipment, or add unnecessary weight to gear bags, while cheap molded plastics crack underfoot or warp in direct sunlight. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this dual 87mm and 65mm marine measuring gauge is engineered for rapid size verification. Featuring precision openings for 87mm lobster (European/Common Lobster carapace MCRS) and 65mm velvet crab (Necora puber width limit), this tool gives recreational and commercial fishers an instant compliance check right at the water's edge. Key Marine Engineering Features & Field Benefits Dual 87mm & 65mm Precision Openings: Features an 87mm slot for European lobster carapace checks and a 65mm slot for velvet swimming crab width checks—providing two essential compliance checks on a single compact tool. Dual Lanyard Mounting Holes: Molded with two heavy-duty attachment points so you can easily secure the gauge to a wrist lanyard, dive harness, belt clip, or catch bag—ensuring it won't drift away in coastal currents. 100% Saltwater & Weatherproof PETG: 3D-printed using high-density, marine-grade PETG polymer. It will not absorb saltwater, degrade under direct UV light, or snap when dropped on wet rocks or steel boat decks. High-Visibility Contrast Markings: Printed in high-visibility yellow with bold red digits, making size dimensions clear and readable in direct sunlight, low light, or through heavy sea spray. Lightweight & Field-Ready: Engineered for minimal bulk in tackle boxes, fishing vests, dive belts, or catch bags while maintaining rigid structural integrity across both measuring slots. Fully Custom Sizes & Combinations: Need specific regional slot sizes (e.g., 70mm velvet crab, 90mm lobster, or custom Scallop, Ormer, and Brown Crab dimensions)? Gauges can be custom-modeled and printed to your exact millimeter specifications. Technical Specifications & Marine Fitment Gauge Slot Dimensions: 87mm Length Slot (Lobster Carapace) & 65mm Width Slot (Velvet Crab) Lanyard Attachment: 2x Integrated Rigging Holes Target Species: European Lobster (Homarus gammarus) and Velvet Swimming Crab (Necora puber) Material: Outdoor Marine-Grade PETG Polymer Standard Supply Color: High-Vis Yellow Body with Contrast Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 1x Dual-Slot (87mm / 65mm) Lobster & Velvet Crab Measuring Gauge with Dual Lanyard Attachment Points Custom Sizes & Color Requests Custom Dimensions: If your local IFCA district, regional council, or fishing club requires different minimum legal slot sizes (such as a 70mm velvet crab notch or 90mm lobster slot), message us prior to ordering and we will update the CAD model to your exact specs. Custom Colors: Standard delivery ships in high-visibility Yellow/Red. Custom colorways (such as High-Vis Orange, Marine Blue, or Black) are available upon request.

Fast, Accurate Field Compliance Checks for Coastal Anglers & Commercial Crews Taking the guesswork out of minimum landing sizes on a wet deck or along rocky shorelines requires a reliable, highly visible tool. Metal gauges can corrode or add unnecessary weight to gear bags, while low-grade plastic gauges easily crack under foot or warp in direct sun. Designed and manufactured in the UK by an engineer with over 30 years of precision CAD and tooling experience, this heavy-duty 150mm crab and 87mm lobster gauge delivers rapid, accurate size verification. Featuring dual precision cutouts tailored to standard 150mm crab and 87mm lobster legal limits, it gives both recreational anglers and commercial fishers an essential compliance tool right at the water's edge. Key Marine Engineering Features & Field Benefits Dual Precision Cutouts: Features an 87mm slot for lobster carapace checks and a 150mm slot for crab width checks—giving you two vital compliance checks on a single compact frame. 100% Weatherproof Marine PETG: 3D-printed using high-density, marine-grade PETG polymer. Extremely tough, flexible, and completely weather-resistant, it won't absorb saltwater, degrade under UV rays, or snap on boat decks. High-Visibility Contrast Finishing: Supplied as standard in high-vis yellow with bold red digits, making size dimensions instantly clear in direct sunlight, low light, or through heavy sea spray so you won't lose it on shore or onboard. Lightweight & Field-Portable: Compact design fits easily into a tackle box, pocket, fishing vest, or gear bag without adding unnecessary weight. Bespoke CAD Sizes & Custom Colors: Need specific regional slot sizes (e.g., 140mm, 160mm, or custom Scallop/Ormer dimensions)? Gauges can be custom-modeled and printed to your exact local regulation specs or preferred color schemes. Technical Specifications & Marine Fitment Gauge Cutout Dimensions: 150mm Width Slot (Crab) & 87mm Length Slot (Lobster) Target Species: Edible Brown Crab (Cancer pagurus) and European Lobster (Homarus gammarus) Material: Heavy-Duty Outdoor PETG Polymer Standard Supply Color: High-Vis Yellow Body with Bold Red Digits Manufacturing Origin: Designed & Made in the UK Package Contents 1x Heavy-Duty Dual-Slot (150mm / 87mm) Crab & Lobster Measuring Gauge Custom Sizes & Color Requests Custom Dimensions & Local Regulations: If your local IFCA district, regional council, or fishing club requires tailored minimum legal slot sizes, send a message prior to ordering and we will update the master CAD model for your custom print. Custom Color Scheme: Standard delivery ships in high-visibility Yellow/Red. Custom color combinations are available upon request—simply drop us a message with your preferred finish.