dophee 1 Pair High Profile 30mm Ring 11mm Dovetail Rail Scope Sight Mount Hunting Tool Withstand shock and recoil. Fits most scopes with 30mm body tube. Fits 11mm dovetails mounts, rails and bases. 2 Hex screws on top to tightly secure the scope. Overall Height: 51mm (2.01" Approx.). Width: 16mm (0.63" Approx.). Inner Ring Diameter: 30mm (1.18"). Rail Width: 11mm (0.43"). Note: NO Retail Box. Packed Safely in Bubble Bag.