Advances in materials technology has allowed for the production of ultra strong and ultralight aluminum handcuffs. These aluminum handcuffs weigh in at just 6.2 oz, steel handcuffs are a minimum of 11oz. Black aluminum handcuffs are almost half the weight and extremely strong, making aluminum the new preferred material for handcuff construction. Chicago Handcuff Company’s proprietary black finish provides a more tactical look and the black finish eliminates the possibility of a glare or light flash giving up your position in an ever changing tactical environment. The handcuffs black coating is very durable and is designed to last. These handcuffs include 2 black keys and a warranty against manufacturer defects. Chicago Handcuff Company is among the top-rated handcuff manufacturers. Chicago provides quality affordable handcuffs to law enforcement personnel, jails & correctional institutions as well as serving military clients.