Steel stages is made of frame,pillar,horizontal tube,joint claw and adjustable base. Usual Size:1.22*1.22m,1.22*2.44m Other Size: 1*1m,1*2m Adjustable Height:0.6-0.8-1m,0.8-1-1.2m, 1-1.3-1.5m,1.2-1.5-1.8m,1.5-1.8-2.0m Main tube: 50*3mm Loading Capacity:800/sqm. Carton packing.