Features: Crafted from copper, this seamless ACR copper tubing ensures great refrigerants flows and corrosion resistance for HVAC systems and industrial refrigeration applications. Featuring accuracy cut ±0.03mm tolerance, nitrogen charged treatments, and a soft coil design, the seamless round tubing maintains structural integrity during bending while preventing oxidation during storage. Ideal for HVAC technicians, refrigeration specialists, and DIY enthusiasts requiring reliable, industry standard tubing for professional installations or home improvement projects. Perfect for repairing refrigerator coolant lines, upgrading air conditioning unit, or maintaining commercial grade refrigeration equipment in restaurants, laboratories, or manufacturing facilities. The bubble wrapped copper coil combines superior heat conductivity with cold forging adaptability, enabling custom shaping for complex refrigeration circuits without compromising pressure resistance. Specifications: Material: Copper Length:Approx.2m/78.74inches Copper Tube Size:Approx. 4x0.5mm/0.15x0.01inches Soft Copper Tube Inner Diameter:Approx.3mm/0.11inches Package Includes: 1Pc Copper Tube note: Please allow 1-2cm error due to manual measurement. Please make sure you will not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!