•4-screw Medium Profile "Tiger" Ring •Saddle Height 15mm •Set of 2 •Machined from Aircraft Aluminum Alloy with Heavy Duty Steel Locking Plate for Maximum Strength Holding Zero •Twist Lock Design for Quick and User Friendly Easy Installation •Light Weight with See-through Tunnel and Slot Cut on Ring Top •High Quality Synthetic Protective Tape on Rings Inner Surface to Protect Your Equipment •Optimized Dimensions for Best Fit on All Picatinny/Weaver Rails •Strong Recoil Stop Cross Bolt for Optimized Fit and Zero