ITEM NAME:1/2 inch Three Holes Black Iron Flange Pipe Floor Fitting Threaded Wall Mou C3R4 1/2 inch Three Holes Black Iron Flange Pipe Floor Fitting Threaded Wall Mou C3R4 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. Name: flange Model: 533646 Specifications Color: black Materials: cast iron Connection Method: screw Size: 1/2 inch Inner Diameter: 1.5cm Type: axial type Product Usage: floral, lamps, shelves, hanging racks, industrial supplies, and so on Package Included 10 x flange Only the above package content, other products are not included. Note: Light shooting 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.