Walker 47986 2-1/4-Inch OD 7-Feet 6-Inch Length Straight Tube Aluminized steel construction for corrosion resistance and durability Manufactured with a state-of-the-art distortion free tube cutting process OD sized tubing OD: 2.25-Inch ; Length: 7-Feet 6-Inch ; Gauge: 14 ; Thickness: 0.069-Inch Quality material and construction for easy bending and welding