For real heavyweights - the best in terms of stability in top quality; Strengthening ribs for maximum toughness; Made in Germany; Made of powder-coated steel, it is wear- and scratch-resistant; Suitable for all books, particularly for large and heavy files, books, or atlases; Smooth with rounded edges and no sharp borders; Suitable for magnets, to hold notes or information, e.g. in open shelf systems; Noble, high-quality shiny surface; The books' weight on the underside prevents them from falling over; Environmentally-friendly - low emission production, can be recycled.