Manufacturer part #:H050 Technical Description Features American Metric Overall height from deck (H) 21 21 Ø sheave (D) 1.97 in 50 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Weight 1.2 lbs 0,54 kg Ø max line 0.63 in 16 mm A 0.83 in 21 mm C 3.5 in 89 mm SWL 11023.1 lbs 5000 kg Material Steel Nitronic 50 Steel Nitronic 50 Sheave material Aluminum Aluminum B 1.34 in 34 mm d 0.55 in 14 mm