light truss stand 1.Aluminum material aterial 6082 T6 2.Pipe:50*2/25*2mm 3.High load,easy install 4.Used display aluminum light truss stand: Detail:streight aquare trussModel No.:ST34290*290mm /350*350mm /400*400mm /450*450mm /500*600mm /520*760mm...Size: 290MM*290MM Main Tube: 50*2mm/3mm/4mmBrace Tube: 25*2mm / 20*2mmMaterial: Aluminum 6061 T6 / Aluminum 6082 T6The pipe thickness:2mm ,3mm ,4mm. ...