USA swivel hook(carbon steel) 1)Material:high quality carbon steel 2)Type: USA type 3)Self colored or zinc plated USA swivel hook(carbon steel) 1)Material:carbon steel,stainless steel 2)type:US3)color:red, yellow,and all you need4)Use occasions: Marine or land use 5) working loading: can reach 31.5 tonnes.6)our clevis hooks are foolproof,they can used with omega links.connecting links and other ...