【Dimension】: 1/2" OD x 7/16" ID (12.7×11.3mm) | Length: 50FT(15.24M) | Wall Thinkness: 0.7mm/0.028 inch 【High Quality Copper Tubing】: Made from high-quality C12200 copper metal, this refrigeration copper tubing offers excellent resistance to corrosion, exhibits thermal conductivity, and durability. Smooth surfaces with no seams. Easy to maximize performance and sustainability. 【Superior Durability】: The copper tubing has great heat transfer capacity and electrical conductivity. Refrigeration copper tube is easy to work under both hot and cold pressures, hollow copper tube has strong heat transfer, good heat dissipation and cooling ability, high refrigeration efficiency; in addition, it is not affected by corrosion, temperature and pressure . So it can extend the service life of air conditioning and refrigeration. 【Easy to Use】: This Copper tubes can be cut and bent according to different needs, so they can be made into elbows and joints, or transformed into different shapes of jewelry and crafts. 【Wide Application】: Copper pipes are not only used as refrigeration tubing coils for refrigerators, freezers and air conditioners, but also for HVAC system piping or ACR tubing. It is also widely used in the manufacture of magnetic instruments or meters, DIY projects, handicrafts, architectural models, architectural decoration, frames, industry, electrical and thermal conductivity, etc.