Contessa Hardened Steel Quick Clamp Picatinny Rings Black 40mm Low. Availabe in 8/12/19/16mm heights. Specifications for Contessa Hardened Steel Quick Clamp Picatinny Rings: Manufacturer: Contessa Base/Mount Type: Clamp On Ring Quantity: Pair Quantity: 1 Ring Type: Picatinny Fabric/Material: Hardened Steel Condition: New Color: Black Mount Type: Picatinny Gun Rail: Picatinny Features of Contessa Hardened Steel Quick Clamp Picatinny Rings Contessa picatinny rails in hardened steel with are machined from solid designed to guarantee stability and long-term resistance. Screws and wrench for mounting supplied. Package Contents: Contessa Hardened Steel Quick Clamp Picatinny Rings Contessa SPP05/A/SR: Hardened Steel Quick Clamp Picatinny Rings Black 40mm Low