Features an 18-tooth, 3 retaining bar system, paired with a positive swing-through action, built-in backloading for fast cuffing Larger than Hiatts standard cuffs by 17 percent, 25 locking positions and a shackle diameter from 5 3/4 inches to 9 1/4 inches. Features reinforced steel swivels for extra strength and durability. Stamped HIATTS MADE IN ENGLAND on both sides of the cheek plates and on each of the cuffs, with the serial number on the shackle arm. 10 oz.