Compact pulley with swinging side plates. 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 * CE/UIAA certified. Efficiency: 91 %. Breaking strength: 15 kN. Working load: 5 kN. Sheave: 25mm * For use with 7-11mm ropes. Weight 56g