1.[ and Durability]: Our folding hinges are made of cold rolled steel and electroplated with colored zinc treatment to prevent rusting.They are durable, corrosion resistant and can hold up to 50kg. 2.[Self-locking mechanism]: The furniture folding hinge has a self-locking design.If you don't need a desk or workbench, simply press the release arm to quickly fold it up.Simply fold up to open. 3.[Multifunctional folding]: This folding holder has a quick release and is easy to use.It is adjustable to 90°/0° and is suitable for sofa beds, sofas and other furniture.It is a 90 degree support leg when open and can be bent to 0 degrees when closed. 4.[Positioning design]: The folding hinge is easy to install, with evenly spaced positioning holes for screw installation.The foldable support structure is stable and does not wobble.24 screws are included. 5.[Wide Application]: Our brackets are ideal for space-constrained and/or flexible applications and can be used for extendable table and bed legs, e.g.E.g. in kitchens, laundry rooms, retail/grocery stores, RVs, boats, warehouses, garages, maintenance warehouses, offices/residential warehouses. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.