Chicago Model 2500 Boot Cuff Oversized Leg Irons are 35% larger than standard leg irons, making them the largest leg irons on the market. Patterned after the discontinued, but very popular American Handcuff Company Model L600 Boot Cuffs. Oversized Leg Irons fit over cowboy boots, work-style boots, and even casts. Heavy duty nickel plated steel construction. Inside perimeter opens 11 1/8" to 15 1/4". 15" chain, weigh 30 ounces. 2 keys included.