Components Set - 6-piece bi-fold door hardware set, including 6 metal top pivots, 6 plastic top pivots, 6 bottom pivots and 6 7/8-inch plastic guide wheels, 6 bottom pivot brackets, 6 top pivot brackets 18 installation fasteners, the bi-fold door hardware kit can repair doors weighing up to 50 pounds and thicknesses ranging from 1 inch to 1-3/8 inch, fits 7/8-inch to 1-inch wide tracks. (Please note that tracks and hinges are not included.) Easy to Repair & Installation - The bi-fold closet door hardware repair kit comes with all necessary hardware and easy-to-follow installation instructions, which makes installation easy even for people without experience. Double bifold closet door repair kit allows you to quickly repair doors without replacing them, smooth operation while saving you time and money. High-quality material, operation - The double bifold door hardware is made of stainless steel and PA6 nylon plastic, which is sturdy and durable, waterproof and moisture-proof, avoiding