Specification】: Dimension: 1/4" OD x 50 Ft Wall Thinkness: 0.8mm/0.031 inch 【Superior Work Performance】: Copper is easy to work and has excellent thermal conductivity, corrosion resistance and durability. ASTM-B280 Copper tubing can be used in a range of innovative applications for maximizing performance and sustainability. 【Longer Lifespan】: Copper tubing is able to better handle oxidation and corrosion for longer periods ultimately gives air conditioners and refrigeration a longer lifespan. 【Easy to Use】: This copper tubing can bend and deform, they can often be made into elbows and joints. Smooth bending allows copper tubes to bend at any angle. 【Wide Applications】: Copper tubing is not only used for refrigerator, freezer and air conditioner as refrigeration tubing coil, but also used as a HVAC system pipe or ACR tubing and for DIY projects, crafts, architectural models, architectural decoration, frame, industry, electrical and thermal conductivity, etc.