Quantity: Including 4 self-locking hinges, when you are not using a desk or workbench, simply press the latch and fold it down to get more space.75mm*60mm*55mm/3*2.4*2.2High-quality material: Made of high-quality metal materials, the surface is electroplated, which is not easy to rust, and the design makes it match your home style well.Easy to fold and self-locking: For added security, these brackets have a spring-loaded forced lock that can be locked in the open position to provide stability.Special Design: With solid construction design, each bracket could hold 500lbs capacity, be able to support heavy duty furniture, 90/0 adjustable.Multifunction: suitable for folding table/chair, furniture legs, wooden folding bed, outdoor table, desk, DIY platform.