dophee 30mm High Profile Scope Mount Ring Adapter w 11mm Dovetail Rail Hunting Tool 1PC Military style Non-reflective black matt, low weight and high strength. Type: High Profile, double ring, flat top. Material: Aluminum. Size:10x4.6x5.6cm (Approx.3.94"x1.81"x2.20") Inner Ring Diameter: 30mm( Approx.1.18") Rail Width: 11mm (Approx.0.43"). Note: NO Retail Box. Packed Safely in Bubble Bag.