Product DescriptionWheeler Sporter Bi-Weaver/Picatinny Scope Rings deliver a secure, lightweight mounting solution for 1-inch tube optics. Featuring an innovative adjustable base, these rings convert seamlessly between Weaver and Picatinny rails. Built from durable 6061 aluminum and finished in black, they are engineered to endure hard use in the field or on the range. Four offset screws provide a solid, repeatable hold and allow convenient on-the-go adjustments.Product Highlights Convertible base for Weaver or Picatinny rail compatibility 1-inch rings with medium height for versatile scope clearance Durable 6061 aluminum construction for strength with low weight Four offset clamp screws for a secure, repeatable mount Black sporter profile designed for hunting and competition use Specs Ring Diameter: 1 inch (25.4 mm) Height: Medium Rail Compatibility: Weaver and Picatinny (adjustable base) Material: 6061 aluminum Color: Black Fasteners: Four offset screws UPC: 661120107811 Manufacturer Part Number: 1133748 Brand: Wheeler 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.