3 Ways spigot black truss
Truss Material : Aluminum Alloy 6061-T6/6082-T6
Light duty truss : 200*200mm; 250*250mm
Medium duty truss : 290*290mm; 300*300mm; 350*350mm; 300*400mm ;400*400mm; 450*450mm; 400*600mm
Heavy duty truss : 520*760mm ; 600*760mm; 600*1000mm
Main tube thickne