1020 DOM A513 Round Steel Tube | 1/4 OD X .035 Wall X .180 ID | 4 ft | 0.06 Lb/Ft

A513 Square Steel Tube | 1/2 X 1/2 X 18 GA (.049 Wall) | 2 ft | 0.31 Lb/Ft

14Ga Black Square Tubing 1 Inch 12 Feet - Cut To Length

(.030" Thick X .118" X .715" Opening) | 1/4" X 18 - Steel Expanded Metal - Flattened | 1 X 2 ft | 1.20 Lb/Sqft

A513 Rectangle Steel Tube | 1 X 1/2 X 16 GA (.065 Wall) | 2 ft | 0.70 Lb/Ft

16Ga Black Square Tubing 1 Inch 12 Feet - Cut To Length

16Ga Black Square Tubing 1 1/2 Inch 12 Feet - Cut To Length