●【Size】- OD:9.5mm(3/8"), ID:7.5mm(5/16"), Wall Thickness: 1mm(0.04"), Length: 12"(300mm), 2Pcs ●【High Quality Material】-6061 aluminum, with excellent weldability, corrosion resistance, oxidation resistance and toughness, is not easy to deform after processing. Aluminum tubes are of excellent quality and durable. ●【Nice Performance】-The surface and interior are smooth and seamless, and you can meet your individual needs by welding, stamping and cutting aluminum pipes. ●【Wide Applications】-Commonly used in industry, machinery, home decoration, such as diy handmade, precision applications, building models, horticultural products, wind chimes, aluminum frames, ship, shop decoration and pipeline railings. ●【Multiple Sizes】- You can choose diversiform sizes of aluminum Tubings. (OD:6.4-50mm(1/4"-2"),Wall Thickness:1-3mm(0.04"-0.12") Length:10"-12"(250-300mm). If you have any requirements, please send us Amazon Message.