Certification : NONE1 Set 4 Hub Centric Rings Car Wheel Bore Center Collar 66.6-57.1mmFeature:Color: BlackDimension: Check the size on the pictures, if need to know more, contact us freelyOD: 66.6mmID: 57.1-mmMaterial: PlasticConstruction: PolycarbonateQuantity: 4 Hub-Centric Rings (One Set)Condition:100% d new and high quality.Note:1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)3.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your erstanding.4.Instruction is not included.Professional Installation Is Highly RecommendedPackage Included:4Pcs Hub Centric Rings", When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!