The UZI-TACPEN3-GM Defender Tactical Pen is made of heavy duty lightweight aircraft aluminum and features a DNA catcher and built in cuff key. Screw out the rear end DNA Catcher 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. UZI combines advanced technical concepts with innovative designs to produce products used and trusted by the Army, Secret Service and Special Forces. Since its launch in the 1950s, UZI has become one of the worlds most famous firearm brands and a 20th century icon.