New hard retain lever mount made of CNC aluminum fabric. To install on WRAITH scope line up with dual screw retain mount (16mm holes distance). Both 20mm Front and 45 degrees mount are in to add laser, dot etc... Ideal to apply advanced aming devices on AR15 or picatinny flat tops. Comes with retain screws and tool bag. Only for SightMArk WRAITH scopes and compatible models. Length: 220mm