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 TubeNote: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.