Emergency pulley with moving side plates. Lightweight and compact, the OSCILLANTE pulley can be used in crevasse rescue systems or improvised haul systems. Swinging side plates allow for easy setup. � Quick and easy installation due to the swinging side plates � Rope compatibility: 6 to 11 mm � Sheave diameter: 25 mm � Ball bearings: no � Efficiency: 71 % � Maximum working load: 2 kN x 2 = 4 kN � Breaking strength: 15 kN � Certification(s): CE EN 12278, UIAA