- Why you need it: In strong underwater currents, this stainless steel current hook provides secure hold, freeing your hands for underwater photography and observation. Great for cave diving, drift diving, sport divers, and underwater photographers. - Material and durability: Made from high quality 316 stainless steel for high strength, seawater corrosion resistance, and long-lasting performance. - Design and use: One end features a hook; the other end has a robust screw-lock to secure the diver in place and keep the drift diver on the safety line. - Accompanying accessories: Ultra-elastic tether up to 1 meter, six-strand stainless steel wire, outer PU coating, anti-loss D-ring buckle. Can be attached to a buoyancy compensator jacket for convenient storage; helps prevent misplaced gear. - Use scenarios: Drift diving in strong currents to stay on a safety line while photographing or observing; cave or wreck exploration where hands-free stability is beneficial; general scuba use for easy hands-free operation and gear management.