Specification Brand : uxcell BulletPoint1 : [Durable Copper Tube] - Made of copper material, which is lightweight, with high strength, good thermal conductivity, corrosion resistance, high-temperature resistance, ductility, and weather resistance. Can be used on various occasions. BulletPoint2 : [Application] - Commonly used in machinery, DIY projects, hobbies, crafts, building models, building decorations, frames, industrial, gardening products, and so on. BulletPoint3 : [Weldable & Cuttable] - Copper tubing can be welded and processed to different lengths according to your needs by using the right equipment. BulletPoint4 : [Seamless Construction] - The interior is smooth without seams and is available in an extruded structural or a drawn seamless copper round tube for precision applications. BulletPoint5 : [Warm Note] - The surface of the copper tube is easy to be oxidized and it will have a little oxidation (not rustiness), but it does not affect the use. If you need a beautiful appearance, such as crafts, it is recommended to use fine sandpaper grinding. Color : Copper CustomerPackageType : Standard Packaging ItemLength : 9.84 inches ItemName : uxcell Copper Round Tube 4mm OD 0.5mm Wall Thickness 300mm Length Pipe Tubing 4 Pcs ItemPackageDimensions_Height : 31.7 centimeters ItemPackageDimensions_Length : 2.9 centimeters ItemPackageDimensions_Width : 11.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-metal-tubing Manufacturer : uxcell Material : Copper ModelNumber : a21070700ux0186 NominalWallThickness : 0.5 month PartNumber : a21070700ux0186 ProductDescription : Description: 1. Copper with corrosion resistance, workability and ductility. It can be processed according to the length you need. 2. The surface is smooth, has good electrical conductivity and thermal conductivity, can be welded and brazed. 3. Commonly used in DIY projects, hobbies, crafts, building models, building decoration, frames, industrial, gardening products, electric conduction, conduction heat, and so on. 4. The surface of the copper tube is easy to be oxidized and it will have a little oxidation (not rustiness), but it does not affect the use. If you need a beautiful appearance, such as crafts, it is recommended to use fine sandpaper grinding.