30mm/25.4mm Dual Ring Cantilever Scope Mount with Bubble Level Made from aircraft-grade aluminum - secure fit and stable platform for your optics •See through options for front sight. Anodized black matte finish, with 3mm Allen wrench and extra screw. Extended length of cantilever provides versatile positions. Attach additional accessories such as a flashlight or laser with the integrated mount. •For 30mm / 25mm scope tube diameter. All screws and hex tool included - ready to attach to a standard 20mm Picatinny rail / mount base. With Bubble Level