The Smith & Wesson miltary and police lever lock handcuffs are standard S&W Model 100 handcuffs, but with finger activated double locks. Other manufacturers have had problems with finger activated double locks in that they can be accidentally activated too easily. Smith & Wesson has solved the problem with levers that move away from the direction in which you're cuffing so the lever won't accidentally be engaged. Available in nickel or black Carbon Nitride (formerly called Melonite). MEETS NIJ STANDARD 0307.01