2" x 2" Structural Square Steel Tube – 3/16" Wall (7 Gauge), 48" Length (4 ft), Mild Steel – Made in USA | This 2" x 2" structural square steel tubing features a reinforced 3/16" wall thickness (7 gauge, approx. 0.188") and is precision-cut to 48 inches (4 feet). Designed for enhanced strength and durability, it is ideal for medium to heavy-duty structural applications. | Suitable for load-bearing frames, equipment supports, posts, trailer fabrication, structural reinforcement, and demanding fabrication builds requiring additional wall thickness over standard 1/8" tubing. | Raw mild steel with standard mill finish and possible light scale or oil from production. Surface prep may be required prior to painting or coating. Not galvanized or coated.