Features:High quality office chair rubber caster wheelHeavy Duty & Safe fit all office chair bases with mounting holesTwin wheel design enhances weight distribution and smooth operation, ease to glide and swivelSwivel and roll freely and more quietly in every direction with no need for maintenanceSoft roll rubber wheel surface guaranteed to leave no mark on carpets or any kind of natural and engineered wood floor, tile floor, specialty floor, and smooth concrete/asphalt floorEasy fit - Just click inSpecifications:Material: Steel and RubberWheel diameter: 73mm (2-7/8") - Approx 3"Stem Length: About 22mm (7/8 inch)Stem Diameter: 10mmand11mm (Look at the picture)Color: Black With TransparentPackage Includes: 1 x Chair WheelsOur products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.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