Description Manufacturer part #:89.62 Technical Description Features American Metric Name Double Sheave size 1 5/16 in 34 mm Max line size 5/16 in 8 mm Overall Height 2 5/8 in 66 mm Weight 1.34 ounces 38 grams Breaking Load 2,645 lbs 1200 kg Max. Working Load 1,322 lbs 600 kg