Tubing comes in many shapes, sizes and thicknesses. Round tubing is measured by the outside dimension (O.D.) and its wall thickness it is used in automotive fabrication, railings, handrails, fences, and playgrounds. Rectangular tubing is measured by each side of the shape plus its wall thickness, rec tube is used in many areas of fabrication and is a great way to give your project dimension, strength, and safety. Square tubing, the most popular of the tubing shapes is measured by the outside dimension and the wall thickness. Square tubing is used in many different ways in the fabrication shop, from railings to ladders square tubing will give your project the strength and visual appeal it needs. We carry many sizes of tubing, please contact us or stop in to see what will work for your next project.