ASP Identifier Hinge Ultra Plus Cuffs Steel Bow Yellow . Ultra Plus handcuffs feature ASP's revolutionary new keyless double lock. Colored handcuffs help prevent equipment loss and can be used to identify different units or threat levels. These are the only colored handcuffs on the market that feature double sided keyholes. Dual keyways make handcuffing a subject easier and more effective. ASP Ultra plus handcuffs have a push button double lock. ASP Hinged handcuffs are the only hinged handucffs that can be double locked without a handcuff key. Specifications for ASP Identifier Ultra Plus Hinged Handcuffs: Manufacturer: ASP Fabric/Material: Aluminum Package Contents: ASP Identifier Ultra Plus Hinged Handcuffs