Listing includes one 5/8" x 5/8" x 36" long square bar made from 6061 Aluminum. Buy as many as you need. Thickness/Width tolerance: -.002" to +.007" Length tolerance: +.000" to +.250" Temper: T6511 Machined Finish (There will be some normal scratches on Aluminum) The pictures are representative of the item you are purchasing.