Masterlock 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