Ultra compact, very lightweight pulley Designed for daily tasks and for on-site rescue (Tyrolean traverse...) Sheave mounted on sealed ball bearings for excellent efficiency Specifications Rope compatibility: 7 to 11 mm Sheave diameter: 25 mm Ball bearings: yes Efficiency: 91 % Maximum working load: 2,5 kN x 2 = 5 kN Weight: 56 g Certification(s): CE EN 12278