The Petzl Trac Double Pulley is suitable for cable or rope tyroleans with integral VERTIGO carabiner. 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).
• Carabiner unlocks with a single finger, by a simple downward movement.
• Rope or cable from 9 to 13mm