Description Manufacturer part #: 90.65 Technical Description Features American Metric Name Triple Sheave size 1 3/4 in 45 mm Max line size 3/8 in 10 mm Overall Height 3 3/8 in 86 mm Weight 3.03 ounces 84 grams Breaking Load 4,188 lbs 1,900 kg Max. Working Load 2447 lbs 1,110 kg