... 220*220mm,etcLength available for this aluminium truss: 1m,1.5m,2m,2.5m,3m,3.5m,4m(also ... design based on your request)Product competitive advantages:1. Aluminium material-durable and absolutely environmental friendly 2. ... stage, plexiglass stage, assembled stage, foldable stage, flight case, instrument case, standard case, irregular case and so on. Detailed specification can be designed and ...