Complete Bifold Door Hardware Repair Kit Parts: The closet door hardware kit can quickly and easily repair doors weighing up to 50 lbs. Between 1inch and 1-3/8inch thick, fits 7/8inch - 1inch wide rails. (Please Note: Tracks and hinges are not included.) EASY INSTALLATION, QUICK REPAIR OF OLD DOORS: Bifold Closet Door Hardware Repair Kit contains all necessary hardware parts and easy-to-follow detailed installation instructions, making installation and replacement of damaged parts hassle-free. You don't need to be to easily repair a broken bi-fold door and restore your closet doors to their glory. Say goodbye to costly repairs and hello to sleek bi-fold doors. Strong and Material: Bi-fold door hardware made of Strong and material, strong and , can avoid frequent sliding, causing damage to accessories, folding door or even falling, prolonging the service life of the folding door. The pivots and guide wheels of the hardware repair kit are equipped with springs that prevent sliding,