SELF LOCK MECHANISM: The foldable brackets feature a spring-activated quick release lock that ensures stability by locking in the open position. A simple press on the release lever allows the 90-degree angle support to fold down smoothly compatible with convenient storage. EASY OPERATION: The quick release shelf support hinges lock securely at 90 degrees. To collapse the table, simply press the release arm compatible with easy folding. Ideal compatible with space-saving and keeping areas organized. WIDE APPLICATIONS: These L-shaped corner brace brackets are suitable compatible with folding or extendable tables, folding partition frames, folding doors, and other household DIY projects. STURDY AND DURABLE: Constructed from heavy-duty steel with high corrosion resistance, these foldable extension table leg support brackets provide reliable, long-lasting support. Delivery Quantity: 1 Piece Package Contents: 1 x Foldable Bracket Size: 6.5 x 4.5 x 6 cm Note: Size is measured manually; slight variations of 1-2 cm may occur. Color: Silver Note: Due to differences in monitor displays and lighting conditions, the actual color may vary slightly from the image shown.