1.Aluminum 6063 provides high corrosion resistance and excellent finishing characteristics, is easy to extrude and has good machinability. Aluminum 6063-T5 has high strength and high hardness.2.Both surface and interior are smooth and seamless, this brass tube is suitable for precision cutting. You can use the applicable machine to weld, punch, and cut the brass tube to the length you wanted.3.Widely used in architectural applications, furniture, pipe railings, outdoor gardening, handicraft and industrial use. Can be used in DIY projects, crafts, building models, car models, aluminum frames, wind chimes, gardening products, etc. Specifications:Outer Diameter: 10mmInner Diameter: 8mmWall Thickness: 1mmTotal Length: 300mm / 12"Material: Aluminum 6063 Package Content:2pcs x Aluminum Round Tube