Aopin Brass Round Tube Copper Tubing Pipe ID 3mm / 3/25" x OD 4mm / 4/25" Hollow Copper Tubing Seamless Straight Pipe Tubing - 300mm / 1 Ft / 11.81 In Length For Brake Line, 2 Pcs - Aopin-Hardware

• UPC   744343873036
• ✔️Size: Inner Diameter: 3mm / 3/25", Outer Diameter : 4mm / 4/25", Length: 300mm / 1 Ft / 11.81 In. ✔️Application Range: Due to the good plasticity and ductility of brass pipes, brass pipes are often used in refrigerator capillary tubes, pump lubrication systems, oil pressure systems, instrument pressure measurement, cooling systems, refrigerator / freezer / air conditioning heat conversion and other fields. At the same time, it can also be made into wind chimes, handicrafts, car models, mural decorations, wooden frames, gardening products, etc. It is deeply loved by DIY enthusiasts. ✔️Material: Use safe and high quality brass (copper content up to about 60%), good thermal conductivity, great electrical conductivity, airtightness and high strength. Because of the strong and corrosion resistant characteristics of brass, it becomes the tap water of the house. The first choice for installation of piping, heating and cooling piping. ✔️Performance: Seamless pressing and integrated molding, smooth surface, no joints, light and convenient for replacement and maintenance. Easy to install. ✔️If you want to make crafts, it is recommended to polish the surface of the copper pipe that is easy to oxidize, otherwise rust will affect the appearance!, Manufacturer: Aopin-Hardware