These 30mm weaver style scope rings provide secure and precise mounting for your optics with high height clearance and durable aluminum construction.30mm tube diameter compatibilityWeaver style rail mounting systemHigh height design for proper scope clearanceAircraft-grade aluminum constructionBlack matte finish for reduced glarePrecision machined for accurate alignmentDimensions: 1.10 X 5.00 X 5.50 inchesIdeal for hunters and precision shooters who need reliable scope mounting with the versatility of weaver-style rails and the clearance provided by high-height rings.