Burris' high quality scope rings are well known for their solid dependability and affordable price. Simple, proven and reliable designs allow the Standard Ring series to shine. All rings feature high quality, close tolerance manufacturing processes. Steel construction, with steel fasteners make these the most durable rings you'll own. 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.Specifications and Features:Burris "High" Zee Rings.89" Height from rail top to ring centerSolid Steel construction1" Tube diameterMatte BlackSold as a pairBurris 1" Tube Zee Ring Heights:Height is measured from the top of the rail to the center of the ringLow: 0.65"Medium: 0.77"High: 0.89"