Strength: 7,000lbs Sheave: Nylon or Aluminum* Mechanics: Bushing Sides: Aluminum Axle: Aluminum Max. Diameter: 1/2"/12.5mm Weight: 1.75oz/50g (Nylon) or 2.13oz/61g (Aluminum) Color: Purple or Black* (Nylon model comes purple only. Aluminum comes purple or black.) Part Number: RP109 (435522), RP110 (435523)|Weight: 0.15 lbs|MBS: 7,000 lbs (31kN)|Rope Capacity: 1/2"|Side Plates: Purple Anodized Aluminum|Mechanics: Bushing|Sheave: 1 1/4" Nylon (435522), 1 1/4" Aluminum (435523)|Axle: Aluminum|Size (in): 2.75x1.85