Safety tags identify a temporary hazard until that hazard is eliminated or hazardous operation is complete. They comply in accordance with OSHA 29 CFR 1910.145 and ANSI Z535 requirements. Unique tag design fits over special octagon-shaped tab. For use with STOPOUT Circuit Breaker Lockout devices and STOPOUT Tag n' Hang Hasp (sold separately). Tag is secured when the device is in the locked position. Strong and durable plastic is ideal for industrial environments. Resists chemicals, tears and abrasions, plus withstands dirt and grease. Writable surface is abrasion-resistant.