Excellent quality: furniture hinges are made of high quality cold rolled steel, are very durable, not easily deformable and have a long service life Unique design: the opening angle of the door hinge is 75°, 90° or 110°, which can be adjusted by the screw in the middle of the rotary arm to adjust the proper friction pressure Easy Installation The hinge includes 32 matching screws. It only needs to be installed with a screwdriver, it does not need to be drilled, it is very practical Multipurpose: spring hinges are suitable for kitchen doors, drawers, cabinets, bookcases, wine cabinets, etc. Allows you to open and close the door quickly and easily Packaging: includes 4 x screw-on hinges with a size of 10.5 x 4.3 x 2.5 cm and 32 screws. No noise, easy to open and close, it is the perfect accessory for furniture