Unlock your accuracy with lockdown rings built to endure centerfire recoil, the elements, and everything else you throw their way. There is no better ring to get you in the field faster or easier.Specifications and Features: Tube Size: 1 inch Ring Height: Low Center Scope Height: 0.80" Mount Type: Picatinny/Weaver Weight: 1.58 oz. per ring Cap Screw Bit Size: Torx T-25 Base Screw Bit Size Torx T-25 Cap Screw Torque: 15-18 in-lbs Base Screw Torque: 30 in-lbs