Steel Square Tube - 20 Ft.

1/2" x 1/2" x 18 GA (.049" wall) 5/8" x 5/8" x 16 GA (.065" wall) 7/8" x 7/8" x 16 GA (.065" wall) 1" x 1" x 12 GA (.109" wall) 2" x 2" x 16 GA (.065" wall) 3" x 3" x 14 GA (.083" wall) 3" x 3" x 3/8" wall 3-1/2" x 3-1/2" x 11 GA (.120" wall) 3-1/2" x 3-1/2" x 3/16" wall 3-1/2" x 3-1/2" x 1/4" wall 4" x 4" x 14 GA (.083" wall) 4" x 4" x 1/2" wall 4-1/2" x 4-1/2" x 3/16" wall 4-1/2" x 4-1/2" x 1/4" wall 5" x 5" x 3/16" wall 5" x 5" x 1/4" wall 5" x 5" x 3/8" wall 5" x 5" x 1/2" wall 6" x 6" x 11 GA (1/8" wall) 6" x 6" x 3/16" wall 6" x 6" x 3/8" wall 6" x 6" x 1/2" wall 7" x 7" x 1/4" wall 7" x 7" x 3/8" wall 7" x 7" x 1/2" wall 8" x 8" x 3/16" wall 8" x 8" x 1/4" wall 8" x 8" x 3/8" wall 8" x 8" x 1/2" wall 8" x 8" x 5/8" wall 10" x 10" x 3/16" wall 10" x 10" x 1/4" wall 10" x 10" x 3/8" wall 10" x 10" x 1/2" wall 10" x 10" x 5/8" wall 12" x 12" x 1/4" wall 12" x 12" x 3/8" wall 12" x 12" x 1/2" wall