The Kaba Mas CDX-09 consists of an X-09 high security lock, Federal Specification FF-L-2740A, mounted on a deadbolt base plate. The base plate is surface-mounted to the inside face of the door. The deadbolt base plate has two essential features. First, it provides a means of latching the bolt in the retracted position. This prevents the bolt from being inadvertently extended. Second, turning the knob on the base plate will retract the bolt to allow egress.
Refurbished Model: These are CDX-09DR models that have been repaired or sent as new by the factory but cannot be sold as new.
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Strike: CDX-09DR (Drill Resistant) with #3 Strike (for Inswing Door).