Durable Steel MaterialThe folding hinge is made of high-strength steel, which is durable, wear-resistant and not easy to rust. Self-locking hinge The folding hinge can be self-locking whether it is open or closed 90 degrees or 180 degrees. Unlock SwitchThe self-locking hinge comes with an unlock switch, when you need to adjust the board, just press and hold the switch. 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 normallyafter installation. 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 applicationscan also be used as a simple invisible support.