Product DescriptionBuilt to withstand hard use while keeping weight down, the Weaver Mounts Detachable Extension Top Mount Rings combine an aluminum saddle with a steel strap for strength where it matters. Designed for 1-inch scope maintubes, this matte black pair includes one extension ring so you can move your optic forward or rearward to fine-tune eye relief. The cross-lock, Weaver-style interface and thumb-nut detachable design deliver a secure, repeatable mount that is quick to remove and reinstall.Product Highlights Detachable top-mount scope rings with secure Weaver cross-lock design One extension ring allows forward or rearward positioning for ideal eye relief (up to 0.75 in) Aluminum saddle reduces weight; steel strap adds durability Matte black finish to match modern firearms and optics Fits 1-inch scope tubes; sold as a pair Specs Product Type: Detachable extension top mount scope rings Tube Diameter: 1 inch Ring Height: Extra High Ring Quantity: Pair (one ring with extension) Finish/Color: Matte Black Mount Compatibility: Weaver-style bases/rails Materials: Aluminum saddle with steel strap Extension Offset: Up to 0.75 inch forward or rearward Brand: Weaver Mounts MPN: 49043 UPC: 076683490438 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.