dee type steel shackle for chain,fastener 1.Material:carbon 304,316 2.Finish:plain, black,zinc plated, H. D. G 3.5mm-63mm ... dee type steel shackle for chain,fastener hardware riggingscrew pin ... .Material: carbon steel ,304,316 2.Finish: plain, black, zinc plated, H. D. G 3.Screw pin chain shackle, U.S. type, drop ...