Kahles Bubble Level for 34mm Scopes is a premium, factory-engineered anti-cant shooting accessory built to maximize long-range accuracy and consistency. Meticulously machined from high-grade anodized aluminum alloy, this low-profile device splits around and clamps securely to the 34mm main tube of your optic to provide immediate, highly visible horizontal level validation before a shot is broken. By exposing a highly sensitive fluid-filled vial right on your sightline, it effectively eliminates user-induced scope canting, mitigating severe point-of-impact horizontal deviations when engaging targets across competitive or field distances. Kahles Bubble Level for 34mm K525i, K318i, K18i-2 Scopes 30252 in Clear/fluid Vial (No Optical Lens), Engineered specifically to clamp onto a 34mm