【Rugged metal construction】 The sturdy metal structure is made of thick stainless steel, which is sturdy and durable. The surface is specially treated to prevent rust and breakage fine workmanship, and enhance its service life. 【Widely APPLICATIONS】 Suitable for wooden doors, aluminum frame doors, cabinet doors, hidden doors, etc. Say goodbye to the traditional door frame butt hinges, which are supported by the bottom arm and the floor, not the door frame, thus reducing the pressure on the frame. You can create hidden doors according to your needs 【Unique design】 Up and down link function, 360 degree rotation. Suitable for all styles, installed in the bedroom, kitchen, basement. They create a clean, elegant look. We are professional factory, product has been tested. Every detail is designed and produced by our store. 【Easy to installation】 Very detailed and visual instruction.Our Instruction is listing every step for installation, you can do it step by step, It is very easy when you install Hinge hardware.Professional customer service team help you solve all installation problems in time. 【Strict supervision of quality】 Our manufacturing plant has strict quality control methods to ensure our products meet the highest standards. Our mission is to always provide the best service to our customers with industry’s leading prices. If you have any question, please do not hesitate to tell us and we will spare no effort to resolve your problem.