Double pulley for cable or rope tyroleans with integral VERTIGO carabiner. Specifications: Breaking load: 20 kN. Working load: 2 kN. For use with cables of max diameter 13 mm. CE - UIAA Features: Perfectly suited for public use in forest adventure parks. Easily installed with one hand minimizing the chance of an installation error. Sheaves are aligned to guarantee stability in motion and to reduce friction. Sealed ball bearings for speed and to give constant efficiency independent of the weight of the person, the temperature or the humidity. VERTIGO with carabiner with Keylock system snag-free body / gate interface. Wide opening to accept large diameter cables with ease. Carabiner unlocks with a single finger, by a simple downward movement.