VISM 30mm Hunter Rifle Scope Rings/0.9In Height Black. These VISM Rings are sold in pairs and features a 30mm scope tube diameter ring with removable 1" inserts . The VISM Rifle Scope 30mm Rings are made of black anodized aluminum and the mounting tool is included. Specifications for VISM 30mm Hunter Rifle Scope Rings: Manufacturer: VISM Finish: Matte Tube Diameter: 30 mm Ring Quantity: Pair Color: Black Features of VISM Hunter Series 30mm Rings: New Hunter Series of Scope Rings. 30mm Scope tube diameter ring with removable 1" inserts Mounts onto Weaver/ Picatinny/ MIL-STD 1913 type rails Hexagon Shape mounting nut with holes for torquing with Allan key wrench Black Anodized Aluminum Construction Rings sold as a Pair. Package Contents: VISM 30mm Hunter Rifle Scope Rings VISM VR30H09: 30mm Hunter Rifle Scope Rings/0.9In Height Black