Openable even when attached to the anchor, the SPIN pulley line-up is designed for maximum simplicity when setting up hauling systems or Tyroleans. The swivel facilitates handling, allowing the pulley to be oriented under load, and direct connection of carabiners, ropes or slings.
Very high efficiency single pulley with swivel
Very high efficiency single pulley with one-way rotation and swivel
Very high efficiency double pulley with swivel