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Mechanical Automatic Deadbolts

Extension 50

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  • Surface mounted deadbolt requires minimum door preparation
  • Overlapping strike design resists prying of the door and frame
  • Inside release knob unlocks the deadbolt at any time
  • Dogging switch can be used to prevent the combination from being scrambled from outside or to keep the door unlocked when desired
  • Included hardplate resists drilling through the door to compromise the lock
  • Hardened steel pins are incorporated in the locking bolt to resist cutting and sawing
  • Three wheel combination lock offers 1,000,000 different combinations
  • Four different strikes are available for inswing, outswing, and double doors
  • Life Safety Kit converts the Extension 50 into a device that meets the most stringent life safety requirements by requiring insertion of a special key before the mechanism can be locked


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