20.5″ x 20.5″ General Purpose truss manufactured from 6061T6 or 6082T6 Aluminium using 2″ x 0.125″wall and 1″ x 0.125″ wall tubes. It is supplied as standard with bolts for connection. GP 20.5″ x 20.5″ is suitable for the majority of lighting applications, flying P.A. and any general purpose use. It can be used with Ground Support System by incorporating suitable sleeve blocks and towers. This truss can also be supplied with castor wheels.