Stainless steel sideplates, two 2" stainless steel sheaves, ball bearings, and stainless steel axles. Max Speed = 130ft/sec or 90 mph Weight: 4.80 lbs|MBS: 14,000 lbs (62kN)|Rope Capacity: 1/2"|Side Plates: Stainless Steel|Mechanics: Bearing|Sheave: 2" Steel|Axle: Stainless Steel|Size (in): 6x15.75 |MBS: 14000 lbs|CABLE DIAMETER CAP: 1/2"|SIDE PLATES: Stainless|MECHANICS: Bearing|WEIGHT: 4.8 lbs