This QF structural seamless square will measure 1 x 1 , comes with two 0.5 flanges, comes with a .06 wall thickness, and has interior teeth that bite into the Quick Frame nylon connector to cause tension. This thin metal tube is made out of 6063-T6 aluminum metal with a clear anodize finish. Clean square cuts make this perfect for home improvement projects. Primarily used with Quick Frame nylon connectors and a rubber mallet, this allows you to assemble a simple frame with no additional hardware required. With superior quality control, you know you are getting the best aluminum tubes when you order 8020 aluminum. Deburred ends, clean cuts, and tight cut tolerances are guaranteed. Applications include automation equipment, professional 3D printer, workbenches, lasers, stands, furniture, machinery, fitness equipment, precision printers, guarding, and woodworking. ASIN B00J3WNX3C Color Clear Anodize Material aluminum Brand Name 80/20 Item Weight 1.3 Pounds Part Number 9010-48 Manufacturer 80/20 Inc. Item Dimensions 48 x 1.5 x 1.5 inches Number of Items 1