Product name:galvanized steel pipe Outer diameter;12mm-219mm Length:Standard length is 6m and 12m, cut to length is available upon request. Thickness of Wall:0.8-12.75mm Zinc Coating:40-650g/m2 Ends.plain, threaded with clamps Protector:plastic caps Usage: water pipe, scaffolding pipe, greenhouse pipe, etc Pakcaging:standard sea worthy packaging and according to customers' requirements.