Openable even when attached to the anchor, the SPIN L2 is a double pulley designed for maximum simplicity when setting up haul systems or tyroleans. The two parallel-mounted sheaves and auxiliary attachment point allow the pulley to be used to set up various types of complex haul systems. The large-diameter sheaves mounted on sealed ball bearings provide excellent efficiency The swivel facilitates handling, allowing the pulley to be oriented under load, and direct connection of carabiners, ropes or slings.