Precision engineered from high grade aluminium with rounded edges prevent scope damage. Adjustable Elevation - Compensation Of +/- 30 MOA. High - To Accommodate Larger Objective Scopes. Double Torx Screws To Hold Your Scope Firmly In Place. Fitted With A Recoil Stop Pin. Reversible Dove Tail Clamp That Fits 9-11mm And 3/8 Inch. Internal Cushion Tape Prevents Marking And Damage. High Grade Aluminium Anodized In Matte Black