1. Manufacturing material: high strength, seawater corrosion resistance, durable, long-term use, stronger, and high safety performance. 2. How to use: There is a hook on one end and a heavy-duty screw fastener on the other end to hold the diver in place and keep the drift diver on the safety line. 3. Excellent underwater choice: Don't be afraid of undercurrents when diving. The stainless steel current hook can give you safe support and stay, and it can also free your hands for underwater photography and underwater observation. Caves, Great gear for drift diving, scuba divers, underwater photographers and more. 4. Easy to use: The compact design is easy to carry, easy to use and fine workmanship. Even if you are using it for the first time, there is no requirement for any difficulty. Name: Diving Reef Drift Hook Material: Metal + webbing colour: Blue Package Contents: 1 x Diving Reef Drift Hook Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.