Weaver popular Grand Slam rings recently went under the knife for an impressive, sleek, modern new look. The four-hole design with torx screws adds gripping strength and added security. Plus, Weaver legendary cross-lock design provides the ultimate in scope lock-down. Made of solid steel, these rings stand strong against aggressive recoil. Specifications: - ring diameter: 1 inch - height: x-high - material: steel - finish: gloss black note: torx screws and wrench included.