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Mace™ Big Jammer.
Mace™ Big Jammer
    Mace™ Big Jammer is a strong 20 gauge steel adjustable door brace that installs easily under door knob and provides added security for home or business. Adjusts to fit most hinged doors. End caps can be removed to allow for use on sliding glass doors as well. Clean, baked enamel finish makes it attractive for in-house use.

    If any intruder attempts to break into a building with the Big Jammer on it they are going to be very surprised when they picked the lock but the door still just won't open.  Most criminals will give up because it takes way too long to make their way in and do their job.  The only way around the Big Jammer is to completely disassemble the door around the jammer; or come at it with a chainsaw (which I don't think that will happen too often).

 

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Price: 19.95