Aluminum Tube, 6063 Aluminum Round Tube, 3/8" OD x 0.04" Wall x 36" Long Seamless Aluminum Straight Tubing, 4 Pieces Specifications: Material: 6063 Aluminum Outer Diameter: 3/8" / 9.5mm Length: 36in / 91cm Features: EXTRA LONG: 36" / 91CM Long is very suitable for some special applications that require longer aluminum round tube, this is short aluminum tube can not achieve. SUPERIOR MATERIAL: Our round aluminum tubes are made of 6063 aluminium which has a better performance in corrosion resistance and weldability than other aluminum round tube,high strength and durable. EXCELLENT MACHINABILITY: 6063 aluminum round tube has good machinability, easy to cut and drill, also can be welded, easy to use, you will never be disappointed. SMOOTH SURFACE: 6063 seamless aluminum round straight tubing interior is smooth with no seam, no burrs, lightweight and convenient, safe to use. WIDE APPLICATIONS: Aluminum round tube commonly used in our daily life, such as DIY aircrafts,frames,modelers,antenna,gardening products,boat building and other uses. BUY WITH CONFIDENCE: You can buy our round aluminum tube with confidence as it will definitely serve the purpose.We guarantee you will be 100 % satisfied with these 6063 aluminum tubes. Our main objective and concern is your satisfaction. What's in the package: 4 * Aluminum Tubes