/ Reef hook with single hook at one end, heavy duty bolt snap at the other Comes with 47" (120cm) tough, braided nylon rope Holds diver in position and keeps divers hooked onto safety line Allows you stop to enjoy the sights or take a photo rather than fighting with strong current Great accessories for diving or underwater photographers Specification: Material: 316 Stainless steel, nylon Reef hook length: approx. 14.5 cm/5.7 inch Reef hook wire diameter: approx. 5 mm/0.2 inch Nylon rope size: approx. 120 x 0.3 cm/47 x 0.12 inch (L x Dia.) Single ended bolt snap length: approx. 8 cm/3.15 inch Package Includes: 1 Piece Single Reef Hook Note: Before use, please check the rope and hook connection is tight or not, and try to use force to see whether it will be loose. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!