Made of marine grade stainless steel 316,Strong resistance and -ble in saltwater circumstance Commonly used for safety rails where a quick release is needed, either at the deck side or pushpit area where passengers get on and off . Are used to secure loads such as Ships Anchors, Life Raft Canisters, Cargo Gear, Steel Chain or Rope Great choice for sailing, motor boating and fore-sail sheets or other sailing / boating applications requiring a high strength quick release Working Safe Load Limts: 950kg(2090lb), and broken limits is about 4 times of safe limits size: 10 x 3.8cm Material: 316 stainless steel colour: Silver Package Contents: 4 x Pelican 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.