Features Fine ductility and corrosion resistance and weldability Can be made into all kinds of semi-finished products and finished products by cold, warm forging Excellent electrical conductivity, used in manufacture of wire, cable, brush(electric), etc Good thermal conductivity, used in manufacture of magnetism instruments or meters Wonderful plasticity, easy to machining under hot and cold pressure Description:Copper tube is mainly used for generators, busbar, cable, switchgear, transformers and other electrical equipment. Heat exchange, electrical conductivity and plasticity is good, but poor strength and hardness. Specifications:Material: CopperOuter Diameter: 4mm / 0.15" Inner Diameter: 3mm / 0.11" Thickness: 0.5mm / 0.02" Length: 2m / 78.74" Weight: 115g(approx.) Package Includes: 1 x Copper Tube Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List