Description Manufacturer part #: 08.08 Technical Description Features American Metric Name Single Sheave Ø 11/16 in 17mm Max line size 3/16 in 5mm Height 1 1/16 in 29mm Weight .17 ounces 5 g Breaking Load 661 lb 300 kg Hole Diameter 5/32 in 4 mm Hole Spacing 1 37/64 in 40 mm