Compact pulley with swinging side plates.The PARTNER pulley is compact and light, yet ensures excellent efficiency thanks to its aluminum sheave mounted on sealed ball bearings.Features Extremely lightweight and ultra-compact pulley Quick and easy installation due to the swinging side plates Sheave mounted on sealed ball bearings for excellent efficiency Specs Material(s): aluminum side plates, aluminum sheave Weight: 56 g Min. rope diameter: 7 mm Max. rope diameter: 11 mm Sheave diameter: 25 mm Efficiency: 91 % Working load: 5 kN Working load on one rope strand: 2.5 kN Breaking strength: 15 kN Shipping DisclaimerPlease Note: Weight-bearing, technical climbing equipment is not eligible for returns. For more information, visit our return policy page.