316l Stainless Steel Square Tube Length Of Side 25*25mm Wall Thickness 1mm Length 300mm - Brackets - AliExpress
Amazon.com: Stainless Steel Square Tubing Tube 25mm x 25mm x 1mm x 230mm, 1" x 1" x 1/25" x 9.06" Long, 10 Pack 304 SS Square Tubings 1mm Thickness Polished Finished from
Steel Tube Black Square - 25 mm x 2 mm, Black, Klemp