Greenlee Breakaway Swivel Body Acts as a mechanical fuse; breaking away at a pre-set load to prevent damage to expensive cable during the pulling process Breakaway pins can be replaced or changed to change the load at which breakaway occurs Breakaway pins are sold separately 5/8 diameter; 3-7/32″ long; 9/32″ jaw opening; 2-23/32″ from center hole to center hole “