Description:1. 6063 aluminum for high strength, weldability, corrosion resistance and long-lasting durability.2. The surface is smooth without seam and is available for precision applications.3. It can be punched and processed with the right equipment according to your needs. Please be careful when you are processing the item.4. Commonly used in industry and DIY projects. Great for custom fabrication projects such as DIY handmade, frames, boat building, building models, crafts, gardening products, home decoration, general fabrications, shop fitting and more.Specification:Material: 6063 AluminumOuter Diameter:3mm / 0.12-inch4mm / 0.16-inch5mm / 0.20-inchWall Thickness:0.5mm / 0.02-inch1mm / 0.04-inch1.5mm / 0.06-inchInner Diameter: 2mm / 0.08-inchTotal Length: 300mm / 11.81-inchPackage Content:1 Pack x Aluminum Tube(3mm 4mm 5mm OD)