Superb Quality: The black shelf brackets are made of high quality iron, painted black, smooth, durable, firm and not easy to break. The edge is smooth and won't hurt your hands. Multifunctional: Mounted under your board, it can support your shelf securely. Mounted above your board, functioning as a bookend, it can help you prevent books or other items from falling off the end of the shelf. It can also protect your hand without scratching wooden shelf burrs. Heavy Duty: Heavy duty shelf brackets are designed with triangular fixing principle, supporting up to 20kg. Can meet your daily storage needs. Hidden and bent 90 degree solder joint. It may look thin and simple, but it has a strong triangular structure that provides plenty of weight-bearing capabilities. DIY shelf your own style: shelf brackets are ideal for maximizing space with style in indoor and outdoor spaces, which is ideal for kitchen, bathroom, bedroom, office and more, which can DIY bookshelf, table legs, garden shelves and corners of Chair. Vintage Style: Different with plain brackets, these decorative shelf brackets come with retro lines as the bracket. It can work as triangular shelf brackets, also decorate your wall.