Original Shellfish Gauge Crab Lobster Scallop Crawfish Legal Size Measure Tool

Premium Shellfish Measuring Gauge — The Original Designer’s Edition

This gauge is used by anglers and commercial fishers who need accurate, dependable measurements for legal catch sizes. Every gauge is produced from the original 3D design files — ensuring true sizing, clean edges, and high‑visibility markings.

Included Legal Size Markers

• Male Edible/Brown Crab — 160mm

• Female Edible/Brown Crab — 150mm

• Spider Crab — 130mm

• Scallop — 100mm

• European/Common Lobster — 90mm Carapace

• Crawfish/Spiny Lobster — 110mm Carapace

Built for Real‑World Use

• Designed by the original creator

• Strong, lightweight, reliable

• Perfect for shore, boat, potting, and commercial fishing

• Custom sizes available on request

Important

Please check your local regulations to ensure the correct sizing for your area.

Need a different measurement? I can modify the design quickly — just send a message.