[MATERIAL] - Made of brass for high strength, weld-ability and long-lasting durability. [APPLICATIONS] - Commonly used in DIY projects, hobby, crafts, building model, building decoration, frames, industrial, gardening products and so on. [USAGE] - It can be punched and processed according to the length you need, and can be welded with the right equipment. [SURFACE TREATMENT] - Finish with passivation, which is oxidation resistance and corrosion resistance. [SEAMLESS CONSTRUCTION] - The interior is smooth with no seam and is available in an extruded structural or a drawn seamless brass round tube for precision applications.