Description: With excellent ductility, corrosion resistance, weldability and plasticity, the copper tube is easy to machining under hot and cold pressure into tube, rod, wire, strip, belt, plate, foil, etc. Featuring excellent electrical conductivity, it is used in manufacture of wire, cable, electric brush, etc. The good thermal conductivity makes it suitable in manufacturing of magnetism instruments or meters that need anti magnetic interference, such as compass, aviation instrument, etc. It is made of high-quality red copper material, which is durable to use. The total length of the tube is 2m, and the external diameter is 4mm, the internal diameter is 3mm, the thickness is 0.5mm. It is mainly used in electric generator, busbars, cables, switchgear, transformers and other electrical equipment. Item Name: Copper Tube Material:Red Copper Size Details: External Diameter: 4mm/0.15" (Approx.) Internal Diameter: 3mm/0.11" (Approx.) Thickness: 0.5mm/0.02" (Approx.) Length: 2m/78.74 (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Copper Tube