Upgrade your space with this heavy-duty sliding barn door hardware kit designed for a single door installation. Its solid carbon steel construction supports doors up to 330 lbs while the dual-bearing silent pulleys help provide smooth, quiet operation. The low-clearance 2-section track design makes assembly simpler and helps save space above the doorway. This kit fits door panels 3.7-4.3' wide and 1.3-1.8" thick. Ideal for bedrooms, closets, living rooms, bathrooms, and other interior spaces.