Manufacturer part #:H040 Technical Description Features American Metric Overall height from deck (H) 21 21 Ø sheave (D) 1.54 in 39 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Weight 0.6 lbs 0,28 kg Ø max line 0.55 in 14 mm A 0.83 in 21 mm B 0.98 in 25 mm C 3.15 in 80 mm SWL 7716.2 lbs 3500 kg Material Steel Nitronic 50 Steel Nitronic 50 Sheave material Aluminum Aluminum d 0.47 in 12 mm