Double-locking mechanism 20 locking positions High-tensile stainless steel Used and trusted by the Army, Secret Service, and Special Forces Available in 3 colors These high-tensile, stainless steel handcuffs feature a double-locking mechanism, 20 locking positions, and include 2 keys. Available in 3 colors. 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; }