Features: Cast iron is mainly composed of iron, carbon, and silicon alloy, offering high strength, good toughness, plasticity, and machinability. Features a cast primary color with a frosted surface, anti-rust treatment, threaded alignment, and chassis formation. Suitable for use in bookshelves, drying racks, object holders, retro lighting, and various craft projects. Product Usage: Ideal for floral displays, lamps, shelves, hanging racks, and industrial applications. Specifications: Name: Flange Type: Axial Type Color: Black Material: Cast Iron Connection Type: Screw Size: 3/4" Inner Diameter: 25mm (0.98") Outer Diameter: 70mm (2.76") Quantity: 1 Piece Notes: - 1cm = 10mm = 0.39 inch - Please allow 0–1cm variation due to manual measurement. Ensure you are comfortable with this range before purchasing. - Due to differences in monitor displays, the actual item color may vary slightly from the image. Package Contents: 1 x Flange