National Steel Slotted Square Tubing

National Steel Slotted Square Tubing offers versatile and durable tubing options in various sizes, perfect for telescoping applications. Made from 12-gauge steel and zinc-plated for corrosion resistance, this tubing is designed to work seamlessly with accessories to create sign posts, frames, scaffolding, utility trailers, shelves, bike racks, and more. Each piece features a perforated square shape, enhancing its adaptability for multiple construction and utility projects. Available in dimensions of 1" x 1", 1-1/4" x 1-1/4", and 1-1/2" x 1-1/2", all with a length of 3 feet, this tubing combines strength and functionality for your building needs.