The PSL-CBILNT No Tool Circuit Breaker Lockout is designed for use with Square D I-LINE^/Federal Pacific (FPE) circuit breakers. The individual circuit breaker can be locked in the off position quickly and easily without any tools. Lockout accommodates breaker handle sizes ranging from 0.30" – 0.60" (7.62 mm – 15.24 mm) tall and 0.16" – 0.35" (4.06 mm x 8.89 mm) thick. Ideal for industrial and harsh applications, corrosion-resistant. Nylon and Stainless Steel. Color Red. 1 per package.