OPF series, double block, sheave Ø 100, SWL 5000 kg Manufacturer part #:01003 Technical Description Features American Metric Ø sheave (D) 3.94 in 100 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Weight 2.2 lbs 1,02 kg Ø max line 0.63 in 16 mm SWL 11023.1 lbs 5000 kg Material Aluminum Aluminum Sheave material Aluminum Aluminum Shackle Mod. 012HR 012HR