The Vortex Rifle Scope Bubble Level for 1in Rifle Scope Tube, Black, BL1 Color: Black, Finish: Matte, Fabric/Material: Aluminum, Size: 1 in, Gun Type: Universal, Gun Make: Universal, Gun Model: Universal, Weight: 6.7 oz, Condition: New, Outer Diameter: 2.2 - 2.4 in. For the most precise long range shooting, use the bubble level to ensure that the rifle is perfectly vertical. This will eliminate potential error caused by shooting a canted rifle.Mounts quickly and easily to the riflescope tube.
- Use on 1-inch, 30mm, 34mm or 35mm Rifle Scope tubes to vertically align the reticle crosshair.
- Full manufacturer's warranty.