3-1/2″ Dia x 6″-Long 6061 T6511 Aluminum Round Bar– 3.5″ Dia 6061 T6511 Rod
6061 T6511 Aluminum Round Bar 3-1/2″ Dia x 6″-Long. 6061 Aluminum is by far the Most Robust out of all of the Aluminums. If you need any other information on this commonly used material.