Lockout tagout lock is best used for electrical lockout applications as part of a comprehensive OSHA compliant safety program. Zenex thermoplastic safety lock body is durable, lightweight, and non-conductive; functions in temperatures from -70 to 350 degrees Fahrenheit. Designed exclusively for lockout tagout applications and features a cylinder that is reserved for safety padlocks; key retaining feature ensures padlock is not left unlocked. Compliance with "one employee, one lock, one key" directive; customize on-site with permanent, write-on labels 1-1/2 in. wide lock body; 1/4 in. diameter shackle with 1-1/2 in. length, 25/32 in. width includes one red safety padlock, one key.