Single Door Barn Door Hardware Kits. We are a small, family-run AMERICAN business that has sold hardware since 2015. Through these hard times we will strive to ship your orders within 48-72 hours! Please use coupon code "SPRING" TO SAVE 10% ON ALL ORDERS!!! Double Door Hardware Kits plus Single Track Bypass & Double Track Bypass Kits. Sliding Barn Door Hardware Kits and Farmhouse Barn Doors.