STRONG & DURABLE: Folding door hardware is made of stainless steel and nylon PA6 plastic material, which is durable, avoiding frequent sliding leading to broken fittings or tilting of the folding door or even falling, prolonging the service life of the folding door EASY INSTALLATION: When replacing your bifold closet door hardware kit, you'll need little to no additional drilling, measuring, and other adjustments when replacing the fittings. The spindles and guide wheels come with their own springs, and when they are secured to the door opening, the distance between the door and the track is adjusted by pressing on the built-in springs, allowing for quick access to the brackets and track, and the folding door to slide easily PRODUCT INCLUDES: Bifold Closet Door Hardware Kit includes 3/8-inch metal top spindle, 3/8-inch bottom spindle, 3/8-inch plastic top spindle, 7/8-inch top guide wheels, steel top and bottom brackets, and 3 screws PRODUCT APPLICATION: The Closet Door Hardware Kit repairs bi-fold doors weighing up to 50 lbs. and ranging in thickness from 1 in. to 1-3/8 in. The Hardware Repair Kit allows you to quickly repair doors without replacing them, saving you money and time while ensuring that the doors work properly WIDELY USED: This bifold closet door repair kit is versatile and allows you to quickly fix your old doors by simply replacing the parts. This folding door hardware repair kit will quickly make bifold cabinet doors, closet doors, sliding doors, pocket doors, garage doors, barn doors, accordion doors, laundry room doors, pantry doors and more look like new Bifold Door Hardware Repair Kit, 2 Pack Bi-fold Sliding Closet Doors Replacement Parts, Folding Pocket Door Replacement Parts Set,Include Top Bottom Pivots Bracket and Guide Wheel