Features: Crafted from durability, flame retardant nylons and coppers, this industrial grade circuits breaker lockout ensures superior insulation, corrosions resistance, and temperature resiliences ( 50°C to 177°C) for secure electrical isolation. Features simple installation with enlarged ergonomic screw head for effortless manual locking, eliminating the need for additional tools while maintaining a firmly grip on breaker. Ideal for electricians, facility managers, and industrial maintenance teams requiring OSHA compliant energy control during equipment servicing or repairs. Safeguards single poles/multiple poles circuits breaker in power plant, manufacturing workshops, or commercial buildings to prevent accidental energization during maintenance. Optimize workplace safety protocols by pairing with insulated padlocks and warning for a complete Lockout/Tagout (LOTO) systems meeting industrial safety standards. Specifications: Color:Two Choices Dimension:45x25x10mm/1.77×0.98×0.39in 51×25×23mm/2×0.98×0.9in Component:nylons+coppers Package Includes: 3pcs Industrial safety lock note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.