Our anodized aluminum tubing is available in 3/4", 1" and 1 1/2" square sizes. Anodizing is an electrochemical process that converts the metal surface into a decorative, durable and corrosion-resistant finish. Each profile has a smooth surface and consists of 6063 T5 Aluminum Alloy. There are a variety of tubing profiles to chose from. Each aluminum profile can be used with our nylon connectors to create endless design possibilities.