| 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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