Truss dismeter:: 220*220mm, 290*290mm, 400*400mm, 520*520mm and more Truss accessories:: Base, hoist, box corner,spigot and more Truss length:: 0.5m/1m/1.5m/2.0m/2.5m/3.0m/3.5m/4.0m Truss certification:: TUV, CE,ISO9001 certificated Truss shape:: ladder,triangle,square and ...