Strength: 8,000lbs Sheave: Aluminum Mechanics: Bushing Sides: Stainless Steel Axle: Hardened & Ground Steel Max. Diameter: 1/2" or 12.5 mm Weight: 3oz/90g Color: Stainless Part Number: RP144|Weight: 0.15 lbs|MBS: 8,000 lbs (35kN)|Rope Capacity: 1/2"|Side Plates: Stainless Steel|Mechanics: Bushing|Sheave: 1.25" Aluminum|Axle: Stainless Steel|Size (in): 2.5x1.75