Keyed-alike lockout padlocks are designed exclusively for lockout/tagout applications to help ensure dangerous machines are properly turned off and not restarted before maintenance is complete. High-security, reserved-for-safety cylinder with key-retaining ensures padlock is not left unlocked. Lock body stands up to chemicals and temperature extremes. It is UV stable. The durable, lightweight, lock body is easy to carry. The 1-3/8" wide x 1-7/8" tall Thermoplastic body has a 1-1/2" shackle clearance.