MPN: 410YLW 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 Specifications Type Safety Padlock Body Width 1-1/2" Shackle Diameter 1/4" Shackle Clearance Height 1-1/2" Shackle Clearance Width 1-3/4" Body Material Thermoplastic Shackle Material Metal Colour Yellow Key Type Keyed Different Body Length 1-3/4" Body Height 1-3/4" Shipping Weight 0.23 lbs.