KingChain® Bolt Snaps are used as attachments for chain, rope and accessories. They're great for securing attachments to equipment, bags, gear, dog leashes or chains. Double bolt snaps have spring-loaded openings at both ends, which allow for quick and easy attachment and detachment. Made from steel with a nickel plating, these snaps should last for years. 60 lb (27 kg) Safe Work Load (SWL). Never exceed the Safe Work Load (SWL). **NOTE** Do not use for overhead lifting. 3/4" openings for attachment at each end x 4" overall length.