Steel Tubing - NEX^® & Square; Plain, Knockout and Perforated

S-Square offers a comprehensive range of steel tubing that includes plain, knockout, and perforated steel tube products. With sturdy construction and pleasing aesthetics, our NEX^® and square steel tubes offer industry leading quality, functionality, and code-compliance. Our steel tubing is available in a variety of lengths, thicknesses, and powder coat colors.