Precise Calibration, Scope Bubble Level, Scope Mounting Kit

【CCOMPATIBILITY】- This scope level is used on 34mm scope tube for the most precise long-range shooting.
【HIGH PRECISION】- The bubbles move quite sensitively. Even a little tilt can cause the movement of bubble. With a calibration distance of only 10mm, this rifle level will be more accurate to determine if tilted.
【CONVENIENT】- Coming with allen wrench and high quality screws, this scope leveling kit can be mounted quickly and easily to the scope tube.