Description Dynablock, sheave Ø 56, SWL 1000 kg, with snap loop Manufacturer part #:DBS56 Technical Description Features American Metric Ø sheave (D) 2.2 in 56 mm Side bearing Delrin balls Delrin balls Radial bearing composite fibre composite fibre Weight 0.4 lbs 170 gr Ø max line 0.47 in 12 mm SWL 2204.6 lbs 1000 kg Material Plastic Plastic Sheave material Plastic Plastic Dyneema loop Mod. DBS05 DBS05