Anyone can build bookcases, an office desk, entertainment centers, kids furniture, fun dorm furniture, and so much more using minimal tools and I-Semble™ Shelf Blocks! They're so easy to use, even someone with just a few do-it-yourself skills can build a beautiful piece of functional furniture for any room. Simply supply your own wood to make quick easy projects with the included pair of durable steel brackets, giving you a 13'' space between shelves. Hardware is powder coated black for a sleek look that goes with any decor. Includes 16 black mounting screws.