Our Ballistic Metal Stainless Steel Hinged Locking Ankle Restraint Cuffs are a work of art! They're smooth, sleek and just plain awesome looking! Our stainless cuffs features a barrel lock on the cuff that includes an attached D-ring for a leash, lead, rope, etc... We have these in 2 versions, with and without a length of chain connecting them. The edges are sanded smooth for comfort when wearing. Includes (2) keys. Cuffs width - 1" Cuffs inside diameter - Small - approx 2.80" / Large 3.10" Cuffs inside circumference - Small - approx 8.80" / Large 9.73" Includes (2) keys