The PSL-PCBNT PowerLOK No-Tool Circuit Breaker Lockout device provides a versatile, easy to use lockout/tagout device. These devices can be applied to single or multi-pole circuit breakers (such as 120/277V breakers) to prevent the breaker from being turned back on; for the safe performance of maintenance or service in accordance with lockout/tagout procedures. Nylon. 2.24" x 0.74" (57 mm x 18.8 mm). Color Red. 1 per package.