dee type steel shackle for chain,fastener 1.Material:carbon 304,316 2.Finish:plain, black,zinc ... . G 3.5mm-63mm dee type steel shackle for chain,fastener hardware riggingscrew pin dee shackle,rigging hardware1.Material: carbon steel ... 2.Finish: plain, black, zinc plated, H. D. G 3.Screw pin chain shackle, U.S. type, drop forged 4.Size ... /8"~2-1/2"... dee type steel shackle for chain fastener