Description Manufacturer part #: 12.82 Technical Description Features American Metric Name Double Sheave size 3 in 76 mm Max line size 9/16 in 14 mm Overall Height 6 1/4 in 160 mm Weight 12.77 ounces 362 g Breaking Load 7,605 lb 3,450 kg Max. Working Load 3,527 lb 1,600 kg