OPF series, fiddle block, sheave Ø 80, SWL 2200 kg Manufacturer part #:00807 Technical Description Features American Metric Ø sheave (D) 3.15 in 80 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Weight 0.97 lbs 440 gr Ø max line 0.55 in 14 mm SWL 4850.2 lbs 2200 kg Material Aluminum Aluminum Sheave material Plastic Plastic Shackle Mod. 008HR 008HR Ø small sheave 1.89 in 48 mm