ľ" (19mm) diameter (outside diameter), with a strong 1mm thick wall, giving an internal diameter of 17mm.
Easily cut to size with a hacksaw.
Join lengths of tube by knocking the robust joints (available to purchase seperately - Click Here for details) into the tube using a rubber or wooden mallet, enabling you to construct a huge range of varied structures.
Mill finish - plain aluminium tube.
Deluxe green finish - a smart dark green, durable powder coating.