This sliding barn door hardware kit is designed for double doors and supports smooth, quiet operation with upgraded nylon J-shape hangers and a heavy carbon steel track. The 10' track is suitable for door panels up to 5' wide and fits door thicknesses from 1.37" to 1.77". Its black powder-coated steel construction helps resist rust and wear for long-term use. The kit includes the necessary mounting hardware for installation on wooden or concrete walls. It is suitable for spaces such as bedrooms, dressing rooms, kitchens, barns, garages, and stables.