High strength circuit breaker lock enhances impact resistance compared to plastic alternatives, ensuring electrical safety for industrial and residential systems. Innovative flat base design enables tool-free 5-second setup without additional equipment, streamlining maintenance workflows in time-sensitive environments. Essential for professional electricians, facility managers, and safety-conscious homeowners requiring reliable equipment for frequent electrical system maintenance. Firmly fits 0.5" to 2" breakers in industrial control panels, residential circuit breaker boxes, and commercial electrical cabinets with universal compatibility. Weather-resistant construction prevents accidental disengagement while meeting OSHA standards for workplace safety compliance across multiple breaker sizes. Specifications: Component: plastic; Distance: about 1.2cm/0.47inch. Package Includes: 1x Breaker Lock. Note: 1. Please allow 1-2cm errors due to manual measurement. 2. Color may vary slightly due to different monitor settings, as shown in the picture.