The PSL-CB Universal Circuit Breaker Lockout quickly locks out circuit breakers (such as 120/277V breakers) and is ideal for industrial and harsh applications. The compact, universal design fits a wide range of single, double, and triple handle circuit breakers. Accommodates breaker handles 0.30" – 0.60" (7.62 mm – 15.24 mm) tall and 0.25" – 0.44"(6.3 5mm – 11.18 mm) thick . Nylon and Stainless Steel. 0.75" x 2.05" (19 mm x 52.1 mm). Color Red. 1 per package.