The Topstore Top Shelf is an attractive, versatile & durable wall mounted steel shelving system the is fully adjustable to suit the needs & requirements of every user & application. Manufactured from epoxy powder coated steel, the Top Shelf shelving unit is built to last & looks great too. This particular kit is ideal for offices & comes complete with 12 blue polystyrene plastic adjustable book racks. The book racks give a sleek & professional look & are great for holding all your literature & documents. These book racks fit neatly on to the four shelves to provide ample storage space & is ideal where floor space is at a premium.