Product DescriptionSteiner T-Series Rings are the foundation of a precision shooting system. Machined from rugged aluminum alloy to be incredibly strong yet lightweight, these 30mm low-height scope rings deliver precise optical alignment and repeatable, shot-after-shot accuracy. Designed to mount on any Picatinny-style rail, the set includes an integrated bubble level on the rear ring to enhance consistency during setup and firing. Proudly designed, machined, and assembled in the USA.Product Highlights 30mm low-height design with 0.885 inch centerline for proper optic positioning Rugged aluminum alloy construction with a matte black finish Fits any Picatinny-style rail; two-ring set for secure scope mounting Integrated rear-ring bubble level aids alignment and long-range precision Engineered for repeatable accuracy; made in the USA Specs Model/Series: T-Series Rings Tube Diameter: 30mm Ring Height: Low Actual Height (top of rail to center of ring): 0.885 in Mount Type: Picatinny rail Material: Aluminum alloy Finish: Matte Black Pieces: 2 rings Weight: 4.10 oz (pair) Country of Manufacture: USA UPC: 000381859600 Manufacturer Part Number: 5960 Brand: Steiner Suggested Torque: Ring top screws-25 in-lb; Base cross bolt-60-65 in-lb Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.