Strong snaps will give you confidence that they will hold up in strong currents and keep your bounty secure while lifting the traps from the bottom of the ocean. Designed for use with most crab traps, shrimp traps and pots. Conveniently snaps on and off for hook-up. It is easy to attach and remove from crab traps and pots. Large end metal ring for mainline hook-ups and four nylon arms help secure trap during deployment and retrieval. Please note the ring is made of alloy, which is NOT RUST-PROOF, wipe clean after use to prevent rusting. Four plastic snaps are lightweight, durable and corrosion-proof. Upgraded 4 nylon arms are thicker and stronger, better load-bearing. All length is 79.5cm/31.3inch, the arm is 75cm/29.5inch. The snap opening size is 1.5cm/0.59inch. Nylon.