This hidden door hinge is made of high-quality zinc alloy and can withstand forceful opening and closing. 180° flexible opening and closing makes it easier for you to control your door. It can support heavier doors than normal butt hinges and is an ideal alternative to traditional door frame butt hinges. It can easily rotate around a central axis to help you create a stylish and edgy home. Wide Application: It is suitable for wooden doors, aluminum doors, fire doors, smoke doors, soundproof doors, security doors, etc. with door thickness within 1.4-33.5in/1.6-39.4inch, but it is usually used for wooden doors. Whether it is an inward and outward door or a left and right door, you will find that this fits your needs easily.
