Durable Steel MaterialThe folding hinge is made of high-strength steel, which is durable, wear-resistant and not easy to rust. _x000D_ Self-locking hinge The folding hinge can be self-locking whether it is open or closed 90 degrees or 180 degrees. _x000D_ Unlock SwitchThe self-locking hinge comes with an unlock switch, when you need to adjust the board, just press and hold the switch. _x000D_ Easy to InstallThe hinge has mounting screws, easy to fix. Note: Before installation, the hand has no support position, these brackets are difficult to bend or loosen, so they can be folded normally_x000D_after installation. _x000D_ Wide ApplicationPerfect for wooden board with width no more than 30cm, such as furniture table legs, wooden folding bed, workbench, dining table, platform, mold of DIY and other extensive applications_x000D_can also be used as a simple invisible support.