Make Repairs Easier: This bifold door hardware kit contains all the necessary hardware parts, and you don't need to be a professional repairer to complete the installation. The bifold door hardware kit saves money and gives you a sense of accomplishment in repairing doors or furniture. Materials: The bifold door hardware is made of stainless steel and PA6 nylon plastic, which is waterproof, rust-proof, and moisture-proof, preventing frequent sliding that causes hardware breakage or the bifold door tilts or even falls off, thus extending the service life of the bifold door. Wide Application: Our hardware repair kit can be widely used to repair sliding doors, bifold doors, closet doors, wardrobe doors, accordion doors, etc.