3-in-1 Commercial & Recreational Shellfish Measuring Gauge

Precision-engineered multi-gauge designed for fast, accurate field checking of Minimum Conservation Reference Sizes (MCRS). Featuring 70mm, 90mm, and 150mm callipers, this single compact tool covers major UK crab and lobster species.

Target Species & Sizes

• 70mm Notch: Velvet Swimming Crab (Necora puber)

• 90mm Notch: European Lobster (Homarus gammarus)

• 150mm Notch: Edible / Brown Crab (Cancer pagurus)

Key Features

• Rigid Triangular Truss Design: Engineered for zero flex across measuring faces while remaining lightweight and compact in the hand.

• 4mm Solid Construction: Thicker profile ensures high dimensional stability without bending during quick deck measurements.

• 100% Saltwater & Chemical Resistant: 3D printed from high-grade PETG plastic, making it completely impervious to sea spray, UV exposure, and harsh marine environments.

• High-Visibility Text: Inlaid dual-colour lettering provides clear, instant size identification in low light or wet conditions.

Specifications

• Material: PETG (Polyethylene Terephthalate Glycol)

• Thickness: 4.0 mm

• Dimensions Measured: 70 mm, 90 mm, 150 mm