Simple and effective, the Safco 21 Compartment mobile roll file helps you organize your rolled up documents, plans, posters, paper, proofs, blueprints and maps into tidy rows for easier visibility and access around your home, office or classroom. Slot your rolled up documents or tube-style blueprint holders into the 3 3/4-square compartments of the Safco mobile roll file to keep them organized and readily available. The mobile roll filters tiered, grandstand-style arrangement of its 21 compartments accommodates rolls of different lengths and helps keep them SEPARATED enough so that you can both See and access Each with greater ease. Depths range from 11 In the front row To 19 In the back row. Easily maneuver the mobile roll file around your immediate workspace on its four 2 Pivoting wheels to help keep your rolled up reference documents and materials closer to where youre actually working, so theyre always within reach. Featuring a robust furniture grade particleboard shell with a durable textured vinyl laminate finish, The mobile roll filters sturdy cardboard dividers with plastic supports help keep your important rolled files neat and orderly. And its not just for engineering and architecture, either. Safco mobile roll file can also help tackle the tall task of wrangling your holiday wrapping paper collection at home or putting the packing supplies in proper order in your office mailroom - even use them in the classroom to keep maps and reference charts organized and easily accessible. And if 21 compartments might not be enough, consider the Safco 50 compartment mobile roll file (sold separately) instead - its the same overall size but with smaller individual compartments. The Safco 21 Compartment mobile roll file can support up to a total of 50 lbs. Of evenly distributed weight. Assembly required. Note that for assembly youll need a Phillips screwdriver, which is not included.