Start of lstUrls_of_images_in_html_description Steiner Rings are the foundation of a precision shooting system. designed and engineered to guarantee precise optical alignment and shot-after-shot accuracy. The H-Series Rings have a sleek design and rugged, lightweight construction. Perfect for your favorite hunting rifle. Features Easily mounts to any picatinny-style rail Designed for 30mm scopes Specifications Diameter: 30mm Height: Medium / 1.0\