The Weaver Grand Slam 1" X-H Matte Scope Rings are designed with a four-hole configuration and Torx screws, which provide increased gripping strength and security. The legendary cross-lock design ensures a secure scope lock-down. Constructed from solid steel, these rings are built to withstand aggressive recoil. These rings are manufactured to exact tolerances in the U.S.A.Key FeaturesMount Type: Designed for Weaver mounting systems.Color: Finished in matte black for a sleek appearance.Style: Top mount style for easy installation.