Lockout tagout lock is best used for electrical lockout applications as part of a comprehensive OSHA compliant safety program Dielectric thermoplastic safety padlock; All component are non-sparking and non-magnetic - plastic, copper brass Plastic shackle helps prevent electrocution and arc flashing; Prevents electrical current from shackle to key 1-1/2 in. (38 mm) Wide lock body with 1/4 in. (6 mm) diameter shackle, 1-1/2 in. (38 mm) shackle length and 25/32 in. (20 mm) width Includes one red lockout tagout padlock, one key