Designed exclusively for lockout/tagout Durable, lightweight, Thermoplastic lock body Special thermoplastic body offers superior performance against chemicals, moisture, temperature and UV Reserved-for-safety cylinder provides over 40,000 unique key changes available Key retaining - ensures that padlocks are not left unlocked , cannot remove key until shackle is closed Includes write-on ""Danger"" and ""Property of"" labels in English, French and Spanish Locks comes with one key: Compliance with OSHA ""one employee, one lock, one key"" directive For extra keys, keyed alike options or master keying, please call us Body Height 1-3/4"" Body Length 1-3/4"" Body Material Thermoplastic Body Width 1-1/2"" Key Type Keyed Different Shackle Clearance Height 1-1/2"" Shackle Diameter 1/4"" Shackle Material Metal Shipping Weight 0.23 lbs. Type Safety Padlock