Sizes for reference: Carbon Steel Pipe OD 38mm - 762mm Thickness 3 mm - 25mm Length 3M - 12M Carbon Galvanized Pipe OD 21.3 mm - 506mm Thickness 3 mm - 11mm Length 3 Meter - 12M Stainless Steel Pipe OD 48.3mm - 355.6mm Thickness 2.77mm - 6.5mm Length 2M - 7M