This is a ball-bearing door hinge that has always been very popular for its smooth operation, durability, long-lasting design and ability to carry heavier loads than other hinges Suitable for domestic use Suitable for standard internal residential doors a pair of hinges is adequate; however, fitting 3 hinges per door has its advantages. It will look aesthetically pleasing and from a practical viewpoint, it helps spread the load evenly and will help to overcome twisting or warping. Comes with matching screws