Talley Manufacturing's various scope anti cant devices offer a simplified solution for both hunters and long range sports shooters alike. The anti-cant indicator helps to ensure that your rifle is held near perfect vertically. When long range shooting is the goal, ensuring our rifle, scope and scope mount setups are perfectly aligned is critical. Installed properly, Talley's Anti-Cant Indicator offers a shooters'reference and increase long range accuracy and a positive point of impact on the first shot. FeaturesAmerican madeHigh-grade lightweight aircraft alumimumFits Talley Lightweight Rings and Talley Modern Sporting Rings