Amazon.com: Stainless Steel Square Tubing Tube 20mm x 20mm x 2mm x 780mm, 0.8" x 0.8" x 4/5" x 30.71" Long, 2 Pack 304 SS Square Tubings 2mm Thickness Polished Finished from
Stainless Steel Polishing Services | AAA Metals
1/2" OD X .050 Polished Stainless Steel Tubing - Trade Diversified