Aluminium Scallop and Cray Measure — Compact On-Dive Catch Gauge for Divers

The Aluminium Scallop and Cray Measure from Sea-Harvester is a purpose-built, rugged gauge designed for serious divers who harvest scallops and crayfish. Built to withstand saltwater and sun, this compact tool helps you verify catch size right at the seabed, ensuring your dives stay compliant and efficient from dive to surface.

Key features that matter in the moment

• Marine-grade aluminium construction resists corrosion in saltwater and exposure to sun, delivering durable performance dive after dive.
• Compact 100 mm footprint fits neatly in a pocket or on a sheath for instant access between dives.
• Ergonomic one-hand grip with a textured surface provides a secure, confident hold even when balancing gear and a live catch.
• Optional lanyard attachment keeps the gauge tethered to your kit, freeing your other hand for handling scallops or crayfish.
• Direct underwater measurement lets you verify size at depth, so you only bring legal catches to the surface.
• Intuitive use simply press the reference edge against the shell or body and visually compare to local size rules for quick decisions.
• Built for divers ideal for free-divers, spearfishers, recreational divers, and commercial crews who need reliable on-dive measurement.

Why this gauge makes a difference

Harvest efficiently without second-guessing the size of your catch. This gauge streamlines your workflow by combining rugged durability with effortless, one-handed operation and on-dive verification. By helping you avoid undersized catches, it reduces the risk of fines and keeps every dive focused on productive harvesting.

Who benefits

- Free-divers and spearfishers targeting scallops or crayfish who require rapid, on-site size checks

- Recreational divers who want to stay compliant without slowing down their descent or ascent

- Commercial crews needing a dependable, compact measuring tool on every dive

Specifications at a glance

• Material: Marine-grade aluminium
• Length: 100 mm (compact footprint)
• Grip: Textured, easy-grip one-hand handle
• Attachment: Optional lanyard hole for securing to gear

Practical tips for best results

Practice a quick measuring motion between dives: grip the reference edge against the target shell or body, align with your regional size rule, and compare at a glance. Rinse after saltwater use and allow the gauge to dry to extend its lifespan.

Invest in reliable, on-dive measurement with the Sea-Harvester Aluminium Scallop and Cray Measure and keep every dive lawful, efficient, and focused on harvest success.