Includes: Scope Ring Set, Screws Mount Type: Picatinny Materials: 6061 Aircraft Grade Aluminum Finish: Type III Compatibility: 30mm or 1 inch Scope Tubes Weight: 3.3 oz Length: 0.65 in Width: Varies Color: Black Warranty: Lifetime Line up your shot at the exact height you want it with the Monstrum Rogue Scope Rings! Each set of scope rings is precision crafted to a given height specification. Choose the height that matches your particular rifle setup and preferred cheek weld. Your shot is lined up just where you want it every time. The new torx locking screw system allows for quick yet powerful tightening while protecting from the screws from stripping.