size:500*500mm main tube 50*3/4mm,brace tube 25*2mm
specification:the 500*500mm truss is the medium truss in our company,the length of single one is 1m--4m.It can be strectched to 16m with max 550kg load.It is suitable for many performance.
Aluminium truss : length on 0.5m / 1m/ 1.5m / 2m / 2.5m / 3m / 3.5m / 4m,aluminium type T6 , main tube D=50mm and thickness=3mm