Product DescriptionTalley Manufacturing&';s low 30mm rimfire rings provide a secure, precision fit for CZ rimfire rifles using the 11mm dovetail setup. Designed with a vertical split closure, these fixed rings deliver dependable alignment and hold for your optic while keeping overall height low for a comfortable cheek weld. Built for compatibility across popular CZ models, they&';re a straightforward, reliable solution for your next scope installation.Product Highlights Fits CZ 452 European, 455, 457, 512, and 513 rifles with 11mm dovetail receivers 30mm tube diameter rings in a low-height configuration Vertical split (vertical closure) design for strong, consistent clamping Sold as a pair for complete mounting Made in the USA with a focus on precision and durability Specs Ring Height: 0.35 in Tube Diameter: 30 mm Mount Interface: 11mm dovetail Ring Quantity: Pair Compatible Models: CZ 452 European / 455 / 457 / 512 / 513 Weight: 4 oz Country of Origin: USA UPC: 810301021686 Manufacturer Part Number: 30CZRL Brand: Talley Manufacturing 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.