Uses FDA approved lubricants safe for use in food processing Key retaining - ensures that padlocks are not left unlocked , cannot remove key until shackle is closed Designed exclusively for lockout/tagout Optional shackle heights of 1-1/2"" or 3"" are available upon request Special thermoplastic body offers superior performance against chemicals, moisture, temperature and UV Includes write-on ""Danger"" and ""Property of"" labels in English, French and Spanish For extra keys, keyed alike options or master keying, please call us Reserved-for-safety cylinder provides over 44,000 unique key changes available Durable, lightweight, non-conductive body is easy to carry Locks comes with one key: Compliance with OSHA ""one employee, one lock, one key"" directive Each keyed alike set includes 2 keys Body Length 1-3/4"" Body Material Thermoplastic Body Width 1-1/2"" Key Type Keyed Alike Shackle Clearance Height 1-1/2"" Shackle Clearance Width 25/32"" Shackle Diameter 1/4"" Shackle Material Nylon Type Safety Padlock