Material and Color Options: Crafted from zinc alloy, ensuring and reliability for your door installations. Available in two elegant finishes - brushed silver and matt black - to perfectly match your door and decor. Innovative Design: This hidden three-dimensional adjustable hinge is designed for wooden and folding doors, offering a seamless and clean appearance when installed. Its concealed nature ensures that it does not disrupt the aesthetic of your space. Versatile Compatible - Our hidden hinges for doors are engineered for universal use on left-handed and right-handed doors, plus compatibility with wood, metal; These concealed door hinges are ideal for creating secret doors, bookshelf doors, french doors, folding doors, feature walls, and DIY projects Functional Flexibility: Our hinge supports a wide opening angle of up to 180 degrees, making it ideal for various applications including room dividers and closet doors. The adjustability allows for precise alignment and smooth operation. Safety and Reliability: Engineered without the use of high-concern chemicals, ensuring a environment for your home or . The robust construction of the hinge guarantees long-term performance and security., Manufacturer: Aundhegrtt