Houseables Hidden Door Hinge, Hidden Hinges, Concealed, Secret, Invisible, For Concealed Door, Interior, Bookcase, Bookshelf, Cabinet, Adjustable, Heavy Duty, Hardware Included, 180 Degree, 6, 2 Pack

INVISIBLE HINGES - These concealed hinges are designed to stay completely out of sight when the door is closed, creating a seamless and modern appearance. Unlike traditional hinges, the concealed hinge has no external leaves, keeping the door and frame clean and uninterrupted. | 3 WAY ADJUSTABLE - These invisible door hinges feature 3-way adjustability for precise alignment. They offer 1mm depth adjustment, 2.5mm side-to-side adjustment, and 2.5mm up-and-down adjustment, allowing for perfect positioning. This ensures smooth operation and a flawless fit. | ALL BLACK DESIGN - These concealed door hinges feature an all-black design for a sleek, modern appearance. They come with black caps that cover the hardware after installation, ensuring a completely clean look. | HARDWARE INCLUDED - The secret door hinges come complete with all the hardware needed for installation. It also includes hex keys, a drill bit, and alignment shim tools to make setup precise and straightforward. | VERSATILE USE - The invisible hinge is versatile and compatible with a wide range of door types, including interior doors, exterior doors, secret doors, and even folding doors. Their 180-degree rotation makes them ideal for any application where a clean, seamless look is desired.