1. The folding shelf brackets are made of stainless steel with a brushed surface treatment to resist daily scratches, corrosion and tarnishing, helping maintain their appearance. 2. Folding brackets can lock at 90 degrees. When you want to fold the table, just press the relaxation arm. Suitable for narrow spaces, if you need a worktop that can be folded down and to the side. 3. They are easy to set up and fold down, so you can build a folding shelf stand or a small wall-mounted folding desk for your home or garage. It can be installed on a wall. 4. Ideal for shops, workshops, boats, RVs, backyard, trailer, bedroom, kitchen, balcony, bathroom, etc. Can be used as bookshelf, kitchen rack, display rack, garden rack, outdoor wall rack, etc. 5. Triangular shape is a sturdy construction of wall racks. Table stand with hinge function in one unit Automatically locks when the flap is in the open position and press the lever to release the lock.