A drawer system for the storage of plate material, tools and flat products. The unit has a robust, welded structure, capable of dismantling, on which the sliding rails are mounted. The drawers are fitted with permanently lubricated “sealed-for-life” INA rollers with an extra-thick external ring. The drawers can be easily opened and close manually. The drawers are normally of open construction but they can also be decked with steel or Wood. The system can also be provided with a static upper mezzanine.