Master Lock 1690MD

Product Features:

  • Designed for single point, 1690/rotating latch lockers
  • Automatic deadbolt locking
  • U.S. Patent No. 7,984,630 and other U.S. and foreign patents-pending
  • Requires 1690 strike plate (contact your locker manufacturer)
  • Metal dial provides increased strength and security. Optional metal color dials come in Black, Red, Blue, Green, and Purple.
  • Secure, easy to dial 3-digit combination
  • Longer useful life with 5 different pre-set combinations; easily changed to maintain security
  • End user registration and control charts provided to secure and simplify administration


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