This Self-Locking Pulley from Portable Winch is designed for use in rescue operations and any other situation where your load may fall or roll back. Features a brake cam system that allows the rope to move in only one direction. Works With: 1/2 in. and 3/8 in. ropes, Material: Aluminum, Application: Pulley.
- Spring-loaded cam release-cord disengaged
- Two pulleys used together give you a 4:1 mechanical advantage
- Mounted on self-lubricating bushings and stainless steel axles
- Aluminum swing sides and main plate
- For 1/2in. and 3/8in. ropes