Hiatts model 2075 standard size tri-hinge black finish handcuffs. 23 locking positions and shackle diameter from 5 1/4 inches to 8 1/4 inches. "In addition to the quality features common to all HIATTS handcuffs, our tri-hinge models feature heavy-duty solid hinges for extra strength and durability." Stamped "HIATTS MADE IN ENGLAND" on each side of each cuff, with the serial number on the shackle arm. Weigh 11 oz.