DESIGNED FOR INVISIBLE DOOR INSTALLATION: These concealed door hinges are designed for invisible door installation, creating a clean and seamless appearance when the door is closed PROVIDES ADJUSTABLE ALIGNMENT CAPABILITIES: The hinges provide adjustable alignment capabilities in multiple directions to ensure a precise and level door fit FEATURES A COMPACT INTERNAL STRUCTURE: Featuring a compact internal structure, they are installed within the door and frame for maximum discretion and space efficiency MAINTAINS CONSISTENT DOOR SWING PERFORMANCE: Built to support standard door weights, they maintain consistent door swing performance and long-term reliability FITS WITH STANDARD DOOR AND FRAME PREPARATIONS: Designed to fit with standard door and frame preparations, these hinges facilitate straightforward integration into common projects, Manufacturer: YILWPV