【Copper Tube Size】： OD:12.5mm(1/2"), Wall Thickness：1mm , Length：250mm(10"), Pack of 2. 【Performance】: These tubes are made from high-quality copper, offering remarkable durability, corrosion resistance, and adaptability to a variety of applications. 【Weldable & Cuttable】: Weldable and cuttable, these tubes can be tailored to your exact project requirements, providing flexibility and precise results. 【Seamless Interior Construction】: The tubes feature a smooth, seamless interior, ideal for precision applications across various industries. 【Note】The surface of copper tube is easy to oxidize, there will be slight oxidation (not rust), but it does not affect the use. If you need a beautiful appearance, Minor maintenance with fine sandpaper can restore a polished appearance, ensuring long-lasting performance.