Precision Reflex Rail Mounted Flip Up Anti Cant Device Black. Constructed of hard coated anodized aluminum and plastic bubble float. The level is held flat or upright by spring detente. Specifications for Precision Reflex Rail Mounted Flip Up Anti Cant Device: Manufacturer: Precision Reflex Color: Black/Yellow Finish: Hard Coat Anodized Fabric/Material: Aluminum Attachment Type: Clamp Condition: New Features of Precision Reflex Rail Mounted Flip Up Anti Cant Device: This rail mounted Anti Cant device can be installed on the rifle base that the scope is mounted on to keep your rifle level When not in use the level lift up out of the way The ACD was designed for left or right handed shooters Constructed of black anodized aluminum. Package Contents: Precision Reflex Rail Mounted Flip Up Anti Cant Device Precision Reflex 02-FUACD: Rail Mounted Flip Up Anti Cant Device Black