Made of durable impact-modified nylon and compatible with most two- or three-pole breakers with a tie-bar such as GE®, ITE, Sylvania®, Challenger™, Bryant®, Westinghouse®, General Switch Company, and many other breakers

• Durable, impact-modified nylon, compatible with most two- or three-pole breakers with a tie-bar
• Tighten thumbscrew to clamp lockout securely over tie-bar, insert lock to prevent clamp from being loosened

Simply tighten thumbscrew to clamp lockout securely over tie-bar, then insert lock to prevent clamp from being loosened.