Uzi Accessories Tactical Pen Gun Metal Aluminum 6" Features Glass Breaker/Cuff Key. Screw out the rear end glass breaker to reveal the secret hand cuff key compatible with most professional handcuffs. Tried and tested UZI Tactical Pens are both stylish and able to withstand a beating. Specifications for Uzi Accessories Gun Metal Aluminum 6in Tactical Pen: Manufacturer: Campco Color: Gun Metal Fabric/Material: Aluminum Size: 6 in Package Contents: Uzi Accessories Gun Metal Aluminum 6in Tactical Pen