... , paper rack, storage cabinet etc. Frame-type base made of steel, single and dual upright structure, adjustable story spacing, all detachable ... to be seleted.NameSteel-wood bookshelf 7Level MaterialHigh quality powdercoating steel or SECC or SPCC+wood panel Colorgrey,beige,black,yellow ... . though email. please contact us freely. 7 Levels single upright steel book shelf