Keep your folding doors perfectly aligned and closed with the National Hardware bi-fold door aligners. These zinc-plated aligners ensure your doors stay secure and gap-free, whether you're using them on interior or exterior doors. Constructed with precision, they are designed to handle the demands of frequent use, providing long-lasting performance and reliability.
  The aligners are crafted with a weather-guard finish to resist corrosion and maintain your door's appearance. Each set contains two aligners, perfect for securing doors on both sides. Use them near the top and bottom of warped doors for the best alignment, ensuring your doors remain true and aligned for years to come.