Steel Perforated Square Tube, The 1-3/4 x 1-3/4 x 12 perforated tube is designed to be telescoped into our 2 x 2 x 12 ga perforated tube and can be used with our locking pins. Several tube sizes and materials are available at Lowe's. Telespar 12 GA square mechanical tubing ships in 24 ft lengths; cut to 6 or 8 ft for industrial and traffic safety use. Longer lengths and quantity discounts available. . Choose from our selection of perforated steel tubing, including over 70 products in a wide range of styles and sizes. Blulu 1 Pcs 1 x 48" Perforated Square Tube, 14 Gauge Thick Telescoping Galvanized Steel Tube with Holes Square Tubing for Traffic Signs, Sign Posts, Safety Columns & Outdoor Structural Support Save 5% on 2 select item (s) Recycled materials +2 more Add to cart Perforated square tubes support fabrication, frames, and structural projects. Contact for quote. Shop perforated steel tubing at Unistrut Store. Perforated steel tubing is a type of steel product that combines the structural strength and long lasting properties of all of our other steel products with the striking aesthetics and adjustability offered by the perforations. nbos, xhm1rb, fej9ju, ojlxsz7, 8y5h, txvmgm, fajd, te, fcl, crfqbi,