... , H. D. G 3.5mm-63mm dee type steel shackle for chain,fastener hardware riggingscrew pin dee shackle,rigging hardware1.Material: carbon steel ,304 ... ,316 2.Finish: plain, black, zinc plated, H. D. G 3.Screw pin chain shackle ... /2",5/8",3/4",7/8"~2-1/2"... dee type steel shackle for chain fastener