You are buying 12 pieces of 1-1​/​2" Diameter 6061 T6511 Aluminum solid Extruded Round bar 12" long +.07"​/​-0 a total of 144". Cut new. This listing includes 12 pieces of premium 6061-T6511 aluminum round rod, each measuring 1.500" (1-1​/​2") in diameter and 12 inches in length. Manufactured in the USA, these solid extruded aluminum bars offer an outstanding combination of strength, corrosion resistance, machinability, and weldability, making them an excellent choice for both professional manufacturing and hobby machining projects.