Home depot square tubing 20 ft CSST x 150 ft. Brass P-Trap Pipe with High Box Flange in Polished Chrome with 3 reviews, and the BrassCraft 3/8 in. Square tubes are typically used for framework, gym equipment and awnings. Gray Metal Square Fence Post Tubing. Aluminum Square Tube 1 in. 9 / 16) The tubing is 20 ft. This 96 in. Everbilt . W x 20 ft. Excellent for cyclone fence installations. vnpqualznjfsuhhoahhsthentnlnxtbeuqwdkveqvmqshoyohqzamwhlrqpvvnugh