Manufacturer part #: 2180 Technical Description Features American Metric Description 18mm Double Fly Soft-Attach Sheave 23/32 in 18 mm Length 1 1/8 in 28 mm Weight w/shackle 1 oz 28.4 gr Max Line Ø 3/16 in 5 mm Maximum Working Load 600 lb 272 kg Breaking Load 1100 lb 499 kg Manufacturer part #: 2180