1. With the folding door hardware kit, doors weighing up to 50 pounds and a thickness of 1 to 13/8 inches can be repaired, suitable for rails with a width of 7/8 to 1 inch. (Please note that rails and hinges are not included.) 2. Component set 2piece set double folding door fitting set, including 2 metal pins, 2 upper plastic pins, 2 lower spigots, 2 x 7/8inch plastic guide wheels, 2 lower tenon brackets, 2 upper swivel brackets, and 6 installation fixings. 3. quality material, smooth operation The fittings of the double folding door are made of stainless steel and nylon PA6 plastic material, which is sturdy and durable, water and moisture resistant, and avoids frequent slipping that can lead to breakage, preventing the folding door from tilting or falling, ensuring the door's service life. 4. Easy and quick installation The hardware kit for double folding cabinet doors comes with all hardware parts and easytofollow installation instructions. The installation is simple, even for those without experience. With this double cabinet door folding door kit, you can quickly doors without replacing them, ensuring smooth operation.