Total Control Handcuffs Model 800B black handcuffs feature a black oxide finish for a tactical and anti glare appearance. Total Control Handcuffs (TCH) are precision engineered to ensure the rotating arm swings through and engages the ratchet bars every time. TCH Handcuffs can be backloaded and have 3 independently moving ratchet bars to help prevent shimming. These black handcuffs are double locking and come with two keys. NIJ Compliant. TCH Handcuffs are made in England. These handcuffs have profiled (rounded) edges to help prevent injury to the handcuffed subject.