The PSL-CBNT-V No Tool Circuit Breaker Lockout quickly locks out circuit breakers (such as 120/277V breakers). The individual circuit breaker can be locked in the off position quickly and easily without any tools. Ideal for industrial and harsh applications, corrosion-resistant. Nylon. 0.75" x 2.05" (19 mm x 52 mm). Color Red. 5 per package.