Features a metal pocket clip with a black finish Works on most police quality handcuffs Used and trusted by the Army, Secret Service, and Special Forces The UZI-KEY-211 Universal Pocket Key features a metal pocket clip and has a black finish. This model works on most police quality handcuffs. 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 world&';s most famous firearm brands and a 20th century icon.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }