Hawke Sport Optics Sports Weaver High 1in Extension Scope Rings - 2-Pieces Black. High to accommodate larger objective scopes. Double hex screws to hold your scope firmly in place. Weaver version features crossbar for additional security. Internal cusion tape prevents markings and damage. High grade aluminum anodized in matte black. Specifications for Hawke Sport Optics Sports Weaver High 1in Extension Scope Rings - 2-Pieces: Manufacturer: Hawke Sport Optics Finish: Anodized Ring Height: High Tube Diameter: 1 in Gun Model: Universal Ring Quantity: Pair Quantity: 1 Fabric/Material: High Grade Anodized Aluminum Length: 1.9 in Weight: 2.5 oz Color: Black Mount Type: Weaver Gun Rail: Weaver Features of Hawke Sport Optics Sports Weaver High 1in Extension Scope Rings - 2-Pieces Available in 1 inch extension configuration. High - to accommodate larger objective scopes Double hex screws to hold your scope firmly in place 9-11mm models are fitted with a recoil stop pin Reversible dove tail clamp that fits 9-11mm and 3/8 inch Internal cusion tape prevents markings and damage High grade aluminum anodized in matte black. Package Contents: Hawke Sport Optics Sports Weaver High 1in Extension Scope Rings - 2-Pieces Hawke Sport Optics 22124: Sports Weaver High 1in Extension Scope Rings - 2-Pieces Black