Product DescriptionThe Wheeler Anti-Cant Indicator helps you maintain a perfectly vertical rifle for improved long-range accuracy. Even slight cant in your scope can shift point of impact, especially with modern drop-compensating optics. This 30mm model mounts to your scope tube like a ring and provides a clear, easy-to-view reference. Built from durable aluminum with a protective black finish, the indicator folds in when not in use to stay protected and out of the way.Product Highlights Prevents cant error to maintain precise point of impact at long range Fits 30mm scope tubes; mounts like a ring for secure, low-profile installation Durable aluminum construction with protective black finish Easy to view from various shooting positions; folds in for protection when not in use Ideal companion for scopes with drop-compensating reticles or turret dialing Specs Product Type: Anti-Cant Indicator Tube Compatibility: 30mm Material: Aluminum Color/Finish: Black (anodized) UPC: 661120661122 Manufacturer Part Number: 766112 Brand: Wheeler Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.