39.6″/3.3FT Box Rail Hardware Bi-Folding Sliding Barn Door Hardware Track Kit Heavy Duty Aluminium Alloy Wall Mount Kit for 2 Doors (No Door) https://ccjh.shop/products/39-6-3-3ft-rail-hardware-bi-folding-sliding-barn-door-hardware-track-kit-heavy-duty-aluminium-alloy-wall-mount-kit-for-2-doors-no-door