Stronger, thicker, and heavier the UZI Professional Series handcuff is designed for police use. At .375" and 10 oz., the UZI Professional is comparable in weight, thickness, and strength to its' more expensive Smith & Wesson counterpart. It is also thicker (.375" to .25") and heavier (10 oz. to 8.6 oz.) then the economy version of the UZI.