Material：Our aluminum rods are all made of 6061aluminum,6061aluminumWith medium strength, good corrosion resistance, weld ability, good oxidation effect. Size：Our aluminum rod size is 4 Inch Diameter, 4 Inch Length. Sturdy and practical：Our products are cut by automatic cutting machine, the surface is smooth without burrs, with good corrosion resistance, oxidation resistance and not easy to rust, it is your best choice. Extensive use：Various industrial structural parts with high weld ability and corrosion resistance, such as manufacturing furniture, mechanical parts, precision machining, and extensive industrial materials, etc. Design: A aluminum round bar provides a clean and polished look. With its precise dimensions and smooth edges, it can be easily integrated into any construction or industrial project. 【Package Included】 Package: 1PCS Material: Aluminum 6061 Diameter: 4 inches Length: 4 inches 【Feature】 1.Good material for DIY craft making 2.6061 aluminum is a lightweight, general-purpose aluminum alloy that can easily be machined or welded. 3.The longer length is enough for you to cut at will 4.It has a high resistance to corrosion, and an excellent weight-to-strength ratio.