4 Layers light duty stroage shelf,knocked down,easy assembled,cheap dsigns,Size:W900*D450*H1800mm, 4 Layers light duty storage shelfSlotted angle shelving ... , steel or wood panel),and a full range of accessories(comer plates, pins, special bolts, angle code);50 ... film and carton paper;Main shelf and add-on shelf can unlimited connection.Specification:Name:Light-duty storage rack-angle racksSize(mm ...