The product is made of stainless steel, durable and corrosion resistant. The product has bearings, it is quiet and smooth when opening and closing. These indoor door hinges can be installed in door frames, wooden boxes, shed windows, shutters, sheds, apartments, playgrounds, animal shelters and other indoor and outdoor uses. Complete accessories, a variety of easy-to-install equipment. Hip hinges are usually used for cabinet doors. Although very sturdy, it cannot be adjusted once installed., Manufacturer: Shun Yingtong