about this project The collapsible stand is made of galvanized metal iron, making it easy to match no matter the style of your home. Also, given their size, most of the time they are invisible. Adjustable to 90/0, easy to adjust sofa bed, sofa or other furniture, bracket folding self-locking table, elastic hinge table leg bracket Self-locking steel hinges are ideal for applications where space and/or flexibility are limited, such as kitchen table folding leg supports, laundry folding leg supports, RV folding table leg supports, office/residential storage. The folding table leg hinges are installed on the table or bed, and the legs are folded on the DIY table or bed, which is used for the extension and storage of the folding table. EASY FOLDING AND SELF-LOCKING - For added security, these stands have a spring-activated "positive lock" that can be secured by locking in the open position. When not using the desk or workbench, simply click the latch and fold down for more room. Locking hinge heavy duty brackets have a maximum load of 105kg (230lbs) per pair. These load limits are provided as general guidelines and are not express or implied warranties. These brackets work even better when applied to furniture legs or narrow, simple work surfaces.