Hillman Bi-Fold Door Aligner is designed to make the installation and adjustment of bi-fold doors easier and more precise. This handy tool helps ensure your doors are ly aligned, providing smooth operation and a professional finish. Its user-friendly design makes it suitable for both DIY enthusiasts and professional installers, improving efficiency and accuracy during door setup. Whether you are replacing old doors or installing new ones, the Hillman Bi-Fold Door Aligner is an essential tool to achieve results.