Automatic LockingYou have 4 self-locking hinges with a maximum folding angle of 90 which automatically lock each time you fold. So even if you accidentally kick a corner of the table, it won't fold immediately. Easy to fold When folding, just press the latch on the folding table leg to fold it down, when opening, the special self-locking design allows you to open it more securely. High-quality materials The invisible hinge is made of 0.25cm thick steel with nickel-plated surface, rust and corrosion resistant, with a strong load capacity of 200kg/440lb individually when folded. Easy to install The cabinet door hinge measures 6.8*6.3*5.4cm/2.6*2.4*2.1in and comes with 20 pieces of 1.6cm screws, just to fix the screws to complete the installation. Application OccasionsThe folding leg is perfect for furniture table legs, double beds, iron beds, DIY platforms, chairs, etc. It can also be used as a simple invisible bracket.