Weaver Style 1 inch pair of rings Matte Black Finish Non-quick detach model Medium ring height Burris solid steel rings not only ensure accuracy they provide an extra measure of confidence and peace of mind. Machined from a solid block of steel to exacting tolerance each top and bottom are matched for strength and fit. Designed to handle any rifle and any recoil from rimfires to magnum calibers. Burris offers a wide selection in 1 and 30mm. You could buy a pair of Burris solid steel rings purely for their beauty. But its their absolute unfailing strength that will earn your respect. Each ring is machined from a solid block of steel to exacting tolerances. The top and bottom are performance-matched.Ask any gunsmith. He'll tell you Burris elevates industry standards with its power-gripping precision-fitting Zee Rings and the rock-solid strength of its Double Dovetail mounting systems. Weaver-style for 1'' & 30mm.