6.6FT Bypass Sliding Barn Door Hardware Kit, Single Track for Double Door, Heavy Duty, Basic I Pulley, Slide Smoothly Quietly, Easy Install (No Door). PREMIUM HARDWARE MATERIAL : ROMMTEC sliding barn door hardware is made of high quality steel ensures anti-corrosion and longevity. Industrial grade tracks and pulleys can easily hold 400 lbs. Loads SINGLE TRACK BYPASS SYSTEM : Upgraded One-Piece single track bypass sliding barn door hardware is low ceiling design, only need 6 inch ceiling space from top of the door to ceiling; Wall-mounted is very easy to install, no tedious installation steps, saves more space than a side pull door and traditional double track bypass kit SLIDE SMOOTHLY AND SAFETY : More safely unique antijumper, prevent thedoor lifted off the track, smoothly sliding operation gives you ultra-quiet experience. The perfect addition to homes, interior doors and room dividers, sliding doors provide an innovative solution for closed off rooms or tight spaces. Any problem in using it, our professional Customer Service Team will answer questions for you.