Product Package: 2 Sets of bifold door repair hardware kit, each set includes: 2 pcs 3/8" top metal pivot with 7/8" plastic guide wheels, suitable for closet doors from 1 inch to 1-3/8 inches thick.Quality Material: The bi-fold door hardware set is made of quality steel and plastic materials, which is stronger and more durable, avoiding frequent sliding that may cause the accessories to break, and extending the service life of the door.Easy to Install: This bifold door repair kit is easy to install, the pivot and guide wheel of the hardware repair kit are equipped with springs, which can be fixed on the door hole. The bottom pivot and bottom pivot bracket allow you to adjust the door height with a screw-in and screw-out feature, making it easy to install and repair your door.