Campco Chain Handcuffs Black. Comes with 2 keys. Specifications for Campco Chain Handcuffs: Manufacturer: Campco Color: Black Fabric/Material: Stainless Steel Size: Standard Dimensions: 4.33 x 3.35 x .98 in Features of Campco Chain Handcuffs Double-locking mechanism with (20) locking positions Package Contents: Campco Chain Handcuffs 2 Keys Campco UZIHCCB: Chain Handcuffs Black