72" Bi-Folding Sliding Barn Door Hardware Kit for 4 Doors,Smoothly&Quietly,Black Track J Shape Roller

High-Quality Steel Construction: Durable black powder coating ensures corrosion resistance for long-term use in various environments. 300lbs Load Capacity: Industrial-grade tracks and pulleys provide smooth, sturdy rolling for heavy doors up to 68" width. Easy Installation: Step-by-step graphic/text instructions included for hassle-free setup on wood or cement walls. Widely Compatible Wall Fasteners: Includes expansion screws (cement walls) and ordinary screws (wood walls/cabinets). Space-Saving Design: Sliding rail operation saves space compared to traditional doors, ideal for small units or compact spaces.