SME Scope Leveler Rail Mount Black. Precisely level your scope and crosshairs Level allows the shooter to check both the rifle bore and reticle alignment at a glance Constructed of aircraft grade aluminum Attaches to any Weaver-style rail or base White scribed line on housing for quick reference Hex wrench for mounting included Specifications for SME Scope Leveler Rail Mount: Manufacturer: SME Color: Black Fabric/Material: Aircraft Grade Aluminum Attachment Type: Weaver Mount Type: Weaver Package Contents: SME Scope Leveler Rail Mount SME SME-LVLRL: Scope Leveler Rail Mount Black