Set di 4 staffe di estensione pieghevoli autobloccanti a 90 gradi con viti e cuscinetti, cerniere per gambe di tavolo resistenti

[Heavy-duty Steel Structure] These folding stands are constructed from thick, cold-rolled steel with a rust-proof finish, offering exceptional durability and long-lasting performance. [Safe 90-degree Self-locking Hinges] Equipped with a 90-degree self-locking hinge mechanism, ensuring the table legs or stands are firmly secured during use—no wobbling, no accidents. Simply press the latch to fold when needed. [Intelligent Self-locking Mechanism] A built-in double-spring design guarantees reliable self-locking. Fold or unfold with the touch of a button—ideal for quick installation and space saving.