Features: Quality material: This self-locking folding hinge is made from high quality metal, which is hard-wearing and corrosion resistant, and is not prone to rust or breakage, making it sturdy and durable. Easy to fold and self-locking: with a spring-activated 39;forced lock39;, the one-touch control locks in the open position, ensuring a stable position. When you are not using the desk or workstation, simply click on the locking and fold up for more space Folding bracket size: place on table leg or table, use the table leg hinge for DIY table or bed, folding table items, folding table extension etc. Sturdy construction: The foldable support frame forms a sturdy structure. It is attached with rivets and does not fall apart easily. Locking mechanism: Designed with a spring-loaded locking mechanism, this locking extension bracket works very well. If you try to open the table, the springs automatically lock in the open position, providing extra-security and stability. When the table is not in use, simply press the lock and fold it down to save even more space. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Steel Size: 6.5*4.5cm Package List: 1pcs/4pcs x Self-Locking Folding Hinge