Description Manufacturer part #: 96.80 Technical Description Features American Metric Sheave size 2 1/4 in-1 11/32 in 57-34 mm Max line size 7/16 in 12 mm Overall Height 6 in 152 mm Weight 4.41 ounces 152 grams Breaking Load 2,381 lbs 1080 kg Max. Working Load 1,146 lbs 520 kg