ASP Tactical Handcuffs provide a major advance in both the design and construction of wrist restrains. Frame geometry is the result of extensive computer modeling and simulation analysis. Stress Potential has been maximized though the use of interlocking, unitized frame. The cuff structure is forged from high strength stainless steel on custom built, high speed progressive dies. Each restraint is then over-molded with ordnance grade polymer under 75 tons of pressure. The lock assembly is unitized and replaceable.