1. The foldable bracket is made of galvanized metal iron, which can be easily matched regardless of home style. Also, considering their size, they are not visible most of the time. 2. Brackets are ideal for applications with limited space and / or flexibility, such as kitchens, laundry, retail / grocery, RVs, boats, warehouses, industrial, garages, maintenance storage, office / residential storage. Place them on a leg or table to fold legs on a DIY table or bed, fold items on the table, fold the extension of the table, etc. 3. Adjustable to 90 / 0 , can easily adjust sofa bed, sofa or other furniture, stand folding self-locking table, elastic hinge table leg stand 4. Easy to fold and self-lock-For added safety, these brackets have a spring-activated "forced lock" that can be secured by locking in the open position. When not using a desk or workbench, just click on the latch and fold down for more space. 5. The maximum load is 105kg (230lbs.) / Pair. These load limits are provided as a general guideline and are not intended to be an express or implied warranty. These brackets work better when applied to furniture legs or narrow, simple work surfaces.