The ISC RALF double self-locking pulley is identified by product number RP431A. It has a two-way locking system that works in the right or left direction.

The pulley can be assembled into a system with a mechanical advantage of 3:1 or 5:1. Confirm the manufacturer’s documentation, system specifications and fit for the intended application before ordering or use.

• Product type: Rope pulley
• Locking directions: Right and left
• Mechanical advantage options: 3:1 and 5:1 system assemblies
• Identifier: RP431A