Aluminum 5/8" OD x 29/64" ID Structural Round Hollow Tube 5/8" OD x 29/64" ID x 1/16" Wall (.625" x .495" x .065") Clear Anodized Finish, Per MIL-A-8625F 6 and 12 Foot Cut Lengths 6063 Ultra-Corrosive Resistant Architectural Grade Alloy, T5 Temper | Orange Aluminum Round Tube, Clear Anodized, 72 in