Highly efficient simple pulley with one-way rotation and a swiveling system.

The SPIN L1D pulley is designed to be used in conjunction with a descent, providing maximum simplicity in the installation of deviations for heavy loads. The polygonal pulley rotates only in one direction, offering exceptional efficiency during lifting and adding friction zones for the rope, providing additional braking during descent.

The swiveling system facilitates handling, allowing the pulley to be adjusted under load and providing a direct connection for carabiners, ropes, or straps.