Cast iron is mainly composed of iron, carbon and silicon alloy composition, with high strength, good toughness, plasticity and machinability.Casting the primary color, the surface frosted, anti-rust treatment, threaded alignment, chassis formation.Can be made bookshelves, drying racks, put objects, retro lighting, and other crafts.Color: BlackMaterials: Cast ironConnection Method:screwSize:1/2 inchInner Diameter:1.8cmType:axial typeProduct Usage:floral, lamps, shelves, hanging racks, industrial supplies, and so onPackage Included: 2 x flangeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 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!