Talley 30mm Screw Lock Detachable Ring High Color Case Hardened Color Case. The Talley X Marks Screw-Lock Detachable Rifle Scope Rings are made with case-hardened chromoly steel and are plated with a dark earth tone color. These Rifle Scope Rings will accommodate any modern Rifle Scope and with the two-piece design they can be removed with a little force but with the two-piece design they can be removed with a little force. But they have two purposes. If your main concern is saving weight one of these rings is a cost-effective way to remove your Rifle Scope for off-hand shooting or a tight fit Rifle Scope. This is the same ring that is on the Rifle Scope Quick Detach models. If you need Rifle Scope rings now or in the future these are the rings to get. Specifications for Talley 30mm Screw Lock Detachable Ring High Color Case Hardened: Manufacturer: Talley Finish: Matte Ring Height: 0.5 in Tube Diameter: 30 mm Ring Quantity: Pair Fabric/Material: Chromoly Steel Weight: 4 oz Country of Origin: USA Package Contents: Talley 30mm Screw Lock Detachable Ring High Color Case Hardened Talley CCH400005: 30mm Screw Lock Detachable Ring High Color Case Hardened Color Case