The collapsible rack is made of galvanized iron that can be easily matched with any style of home. In addition, considering their size, they are not visible most of the time. 90/0 adjustable, can easily adjust the sofa bed, couch or other furniture, self-locking foldable bracket, elastic hinge table stand Brackets are ideal for applications with limited space and/or flexibility, such as kitchens, laundry, retail/grocery, RVs, boats , warehouses, industry, garages, maintenance storage, office/residential storage. Place them on a stand or table to fold legs on a table or bed, fold items on the table, fold table extension, etc. Easy to fold and lock - For more safety, these brackets have a spring activated "force lock" that can be secured in the open position. When you're not using a desk or workbench, just click the latch and fold it away for more space. / pair. These load limits are provided for general guidance only and are not intended to be an express or implied warranty. These brackets work best when applied to furniture legs or narrow, plain work surfaces.