[PRODUCT PARAMETER] - 2mm 3mm 4mm 5mm 6mm 7mm OD; 0.2mm Wall Thickness; 300mm/11.81inch Length. [MATERIAL] - Made of copper with passivation finish for high strength, oxidation resistance, corrosion resistance and long-lasting durability. [APPLICATIONS] - Commonly used in DIY projects, hobby, crafts, building model, home decoration, frames, industry, gardening products and more. [HOW TO USE] - It can be punched and processed with the right equipment according to your needs. Please be careful when you are processing the item. [SEAMLESS CONSTRUCTION] - The interior and exterior are smooth with no seam, beautiful and are available for precision applications.