90-degree multifunctional self-locking folding table leg accessories, 0-degree folding state. Folding hinges are ideal for building wooden tables and feature locking legs (easy to fold when unlocked). Folding table legs offer smart solutions for small spaces: perfect for space-constrained or flexible applications. Install on legs or tables using table leg hinges for DIY tables, beds, folding tables, table extensions, and more. Easy to fold with self-locking function. Spring-activated "forced lock" mechanism allows one-step operation to secure the table in the open position for stability. When not in use, simply release the latch and fold down to save space. Solidly built from thickened steel plate, the foldable support bracket forms a sturdy structure. Riveted connections enhance durability and prevent disassembly. A galvanized surface coating provides rust resistance for long-lasting performance. Equipped with a spring locking mechanism, this support extension delivers reliable performance. The springs automatically engage when the table is opened, ensuring added security and stability. To fold, press the latch and collapse the legs downward to free up space.