Weaver's popular Grand Slam Windage Adjustable Rings now sport an impressive sleek modern new look. They extend windage adjustment range when sighting in your scope. The four-hole design with Torx screws adds gripping strength and added security. Plus Weaver's legendary cross-lock design provides the ultimate in scope lock-down. Made of solid these rings stand strong against aggressive recoil. These newly-designed rings proudly made to exact tolerances in the U.S.A.