... 3.Easy Knocked down 4.5 shelves 1.Magazine rack,single upright,storage shelf,2.Made of Hight Quality SPCC ... blueprint cabinet, paper rack, storage cabinet etc. Frame-type base made of steel, single and dual upright structure, adjustable story spacing, all detachable ... as middle fender, and three, four ,five, six, seven storeyare available to be seleted. 5 levels single pillar double side storage metal ...