Straight from the mill, we can provide an enormous selection of square tube to meet virtually any tower site infrastructure requirement you have. We carry a variety of lengths and outside diameters. If you need odd lengths we will be happy to cut to your specs. All of our square tube meets the most stringent specification for today's industry standards and is hot dipped galvanized steel. Related products: U-bolts and U-bolt assemblies,T1722 & T1709 series pipe mounts and crossovers.