This sliding barn door hardware kit is designed for double doors and provides smooth, quiet operation with a heavy-duty carbon steel track system. It supports doors up to 330 lbs and fits door panels up to 5.5' wide with a thickness range of 1.37"-1.77". The black powder-coated finish helps resist rust and wear for long-term use. Anti-jump pieces, floor guides, and door stoppers help keep the doors stable and secure. It is suitable for a variety of indoor and outdoor spaces including bedrooms, kitchens, barns, garages, and stables.