Strength: 11,000lbs Sheave: Aluminum Mechanics: Sealed Needle Bearing Sides: Stainless Steel Axle: Stainless Steel Max. Diameter: 1/2"/12.5mm Weight: 13.3oz/380g Color: Stainless Part Number: RP119|Weight: 0.85 lbs|MBS: 11,000 lbs (48kN)|Rope Capacity: 1/2"|Side Plates: Stainless Steel|Mechanics: Bearing|Sheave: (2) 2" Aluminum|Axle: Stainless Steel|Size (in): 6.5x2.5|Efficiency: 1.857