Strength: 6,000lbs Sheave: Celcon Mechanics: Bushing Sides: Red Anodized Aluminum Axle: Stainless Steel Max. Diameter: 5/8"/15.5mm Weight: 6oz/168g Color: Red Part Number: RP101|Weight: 0.35 lbs|MBS: 6,000 lbs (26kN)|Rope Capacity: 5/8"|Side Plates: Red Anodized Aluminum|Sheave: 2 3\8" Celcon|Axle: Stainless Steel|Size (in): 4.25x3.25|Efficiency: 0.933