Material:6082-T6 Aluminum Alloy Type:Spigot Truss Main Tube:50mm*3mm,50mm*2mm Brace Tube:20mm*2mm,25mm*2mm,30mm*2mm Different System:120mm*120mm,220mm*220mm,290mm*290mm,520mm*520mm,400mm*400mm Configuration:Ladder,Triangle,Square Hosit Type:Hander Hoist,Electronic Hoist Basement:Wheel,Without Wheels Show More