An alternative and durable support option to the square tube is the Plain Steel Round Tube. Suitable for use on machine stands, table legs, cart
Everbilt 1-1/2 in. x 36 in. Plain Steel Flat Bar with 3/16 in
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Everbilt 1 in. x 36 in. 16-Gauge Thick Round Tube 800487 - The
Everbilt 1-1/4 in. x 36 in. Zinc-Plated Punched Square Tube 803047
Hillman® 1 x 36 Steel Round Tube - 16 Gauge at Menards®
Everbilt 36 in. x 1 in. x 1/16 in. Steel Square Tube 801257 - The
MARSHALLTOWN 20 in. x 4 in. Finishing Trl-Round Front End Curved
Metal Tubes - Metal Stock - The Home Depot
Everbilt 1-1/2 in. x 36 in. Aluminum Angle with 1/8 in. Thick
Everbilt 1/2 in. x 36 in. Plain Steel Round Tube with 1/16 in
Everbilt 1/2 in. x 36 in. Plain Steel Round Rod 802457 - The Home