Tubes Supply TubesOuter Diameter (OD): 0.45 mm – 32.00 mmWall Thickness: 0.05 mm – 2.00 mmShapes Available: Round, Square, EllipticalMaterials: Stainless Steel; Nickel / Nickel Alloys, Chrome Molybdenum Steel, Low Carbon Steel, Titanium, Copper / Copper Alloys, Aluminium / Aluminium Alloys