Description Manufacturer part #: 96.73 Technical Description Features American Metric Sheave size 2 1/4 in 57 mm Max line size 7/16 in 12 mm Overall Height 5 11/32 in 110 mm Weight 13.45 ounces 372 grams Breaking Load 4,960 lbs 2,250 kg Max. Working Load 2,314 lbs 1,050 kg