... details: 150*150mm,200 * 200mm,300*300mm, 350*350mm,400*400mm ,300*400mm,450*450mm,500*600mm, 520* ... 760mm,600*760mm etc.spigot to connect the standard aluminum alloyFrame :4,3 ... ,2 Type: 4,3,2. Material: Aluminum 606,160,636 ... TUV, ISO9001 certificatedStageAdjustable Height:0.6-1m.0.8-1.2m,1.2-1.6m,1.6m ...