The Cunningham™ bench’s seat is made of 3/16” x 1 ½” Steel Bar or 1 x 2 ½ and 1 x 3 Board Profiles. The frame is made with 2 ½” Wide Cast Aluminum. Benches with backs are available in 2, 4, 6, and 8 foot lengths. The 6 foot bench has an option with two intermediate legs. The 8 foot bench has an optional center leg. Flat benches are also available in 2, 4, 6, and 8 foot lengths, with the 6 foot bench having an option with 2 intermediate legs.