Talley 1 in Fixed Ring Med Color Case Hardened Color Case. Their steel base provides the ultimate strength for clamping to the Rifle Scope while the hardened finish holds up to the rigors of extreme hunting or long-term high-mileage use. A grooved clamp ring provides a precise repeatable sight picture. Each ring is machined with a straightness to prevent skewed settings and is undercarriage safe "keyed" to prevent accidental loosening. The Rifle Scope ring surfaces are bead blasted with a non-reflective manganese phosphate finish. The color of the base is case hardened to resist wear and corrosion. Specifications for Talley 1 in Fixed Ring Med Color Case Hardened: Manufacturer: Talley Finish: Matte Ring Height: 0.4 in Tube Diameter: 1 in Ring Quantity: Pair Fabric/Material: Chromoly Steel Condition: New Weight: 4 oz Country of Origin: USA Package Contents: Talley 1 in Fixed Ring Med Color Case Hardened Talley CCH100004: 1 in Fixed Ring Med Color Case Hardened Color Case