FPK modular stackable shelving for Multibox plastic drawers. The simplest and most practical solution for configuring your workspace or storage space. Multiboxes are optimally stacked in these space-saving modules. Stackable up to 4 levels and with multiple box size configurations. Boxes slide into this rack thanks to its smooth surface, making it easy to pull out. The module is designed in such a way that a locking system can be incorporated into the multibox drawers to prevent the box from falling out of the shelf.