Features:<br> Material: Made of quality material, sturdy, lightweight and sturdy for long time use without deformation<br> High-Accuracy Bubble Level: With a levers to avoid slanting of shooting for better accuracy<br> With an adapter, suitable for 30mm and 25.4mm-rifles<br> Design: Quick release design promises easy attachment and removal<br> Useful accessory for huntings<br> <br> Notice:<br> Actual color may be slightly different from the image due to different light effect<br> Please allow 1-3cm deviation due to manual measurement<br> <br> <br> Material: Metal<br> Diameter: Approx. 30 mm / 1.18 inch<br> Adapter Diameter: Approx. 25.4 mm / 1 inch<br> Weight: Approx. 55 g<br> Package Included:<br> 1 * Mount with Levers<br> 1 * Wrench<br> 1 * 25.4mm Adapter<br> Package List:<br> 1 Set Scope-Ring Adaptor Picatinny Rail