Strength: 11,000lbs Sheave: Steel Mechanics: Bushing Sides: Stainless Steel Axle: Stainless Steel Max. Diameter: 1/2"/12.5mm Weight: 20.7oz/590g Color: Stainless Part Number: RP120 (435526), RP120A (435512)|Weight: 0.85 lbs (435526), 0.6 lbs (435512)|MBS: 11,000 lbs (48kN)|Rope Capacity: 1/2"|Side Plates: Stainless Steel|Mechanics: Bushing|Sheave: (2) 2" Steel (435526), (2) 2" Aluminum (435512)|Axle: Stainless Steel|Size (in): 6.5x2.6|Efficiency: 172.9%