About This Hidden Door Hinges for Secret Door: Upgrade your woodworking projects with our premium pivot hinge. Designed for seamless integration into Invisible door bookcase and bookshelf door setups, these heavy-duty hinges ensure smooth, quiet operation when rotated, Ideal for DIY enthusiasts seeking durable hidden door bookcase Three-dimensional adjustment Design: Enables 180° silent rotation hidden door hinges for ensuring smooth and quiet operation without disturbing your space; This durable hidden door mechanism guarantees long-lasting performance, making it ideal for bookshelf door, and French-style Invisible door storage solutions Heavy-duty Heavy-duty Metal Construction: These hidden hinges for doors boast a high-load design, with each hinge supporting capacities up to 580 lbs. Finished with a sleek black double anti-rust coating, they offer fine workmanship and provide durable support for Invisible door hardware, secret door, French doors, or cabinet doors Easy-to-install secret door bookcase: We Hidden bookcase door provide extremely detailed instructions. Each step has dedicated video instruction. The Invisible door hardware kit includes a cut-out paper template for accurate positioning and seamless setup. The concealed pivot is adjustable and mounts on either the door's center axis or side Hidden Bookshelf Door includes: 2 invisible door hinges, 1 detailed instruction manual, 30 screws with invisible insertion; allowing easy furniture/bookshelves/arrangement; The pivot door hinge is three-dimensionally adjustable: vertical ±2.5mm, horizontal ±2.5mm, and depth ±1.0mm. Hinges can be adjusted without disassembling the door Overview Material : Metal Brand : Awvob Finish Type : Coated Mounting Type : Flush Mount Weight Limit : 580 Pounds Unit Count : 2.0 Count Color : Black Number of Items : 2 Manufacturer : Awvob UPC : 718557399613