OD = Outside Diameter 1.6mm wall thickness These polished T6063 Alloy 1 metre lengths in a wide range of sizes from 6mm upto 102mm Aluminium pipes are ideal for building bespoke induction, intercooler or turbo systems and are suitable for welding and creating bespoke applications. FEATURES - High Performance ratings with excellent reliability in all conditions. - Easy to replace, cut and adapt to your piping needs. - Corrosion resistant and high temperature resistance, up to 250°C The picture on the orange back is of our alloy to give you an idea of the quality.