Description Code Zero 3 Pin-to-pin length (in) 7 13/16 Drum dia. (in) 8 Swivel dia. (in) 3 3/8 Line dia. - min. (in) 5/16 Line dia. - max. (in) 3/8 Pin/shackle dia. (in) 5/8 Max. working load (lb) 18000 Breaking load (lb) 36000 Weight w/shackle - Lower (oz) 119.9 Weight w/shackle - Upper (oz