Special Purpose Locks

C1810 Letterbox Lock
C1810 Letterbox Lock
C1810 Letterbox Lock
C1810 Letterbox Lock

Check your mail with Yale. Yale's C1810 letterbox lock is a basic solution that works day after day to reliably to secure letterboxes and other small compartments.


  • Standard 5 or 6-pin, all cylinders drilled for 6 pin.
  • Can be keyed into 7-pin system, first six pins active, or with special long cylinder with 7 active pins.
  • Keyed different standard. Keyed alike or masterkeyed by order for special purposes only. Cannot be construction masterkeyed.
  • Comes with two keys

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