EaseLife 72″ Bi-folding Sliding Barn Door Hardware Track Kit for 4 Closet Door, Top Mount Roller, Heavy Duty, Slide Smoothly Quietly, Easy Install, Black, No Door (Track Length 76″ for Four 18 Wide Door). ??????????????????? Solid steel, fine black powder coated surface, anti-corrosion ensures years of beauty and longevity. SLIDE LIKE BUTTER — Ball bearing roller slide smoothly and quietly, Tested Beyond 100,000 Rolls. All items have been multiple inspected before on market. ??????????????? Fit up to four 18″ wide door;Fit Door Thickness: 1″ 1-3/4(25mm45mm);Door weight capacity: 360lb. The track length should be door opening size + 4″ (100mm), at least 5-3/8″ clearance needed from top of door and ceiling. ??????????????????????????????? 2×38 Rail, 4x Rollers, 4x Roller Rotating Base, 2x Roller Fixator, 5x Rail Support, 6x Hinge, 2x Floor Guide, 1x Sealing Strip. ??????????????????????? We provide step-by-step graphic & text installation parsing manual, you can also get soft online copy and professional installation guide from our online service. Thanks for considering our products. We want to thank you for considering our items. We are a small family owned business in Kansas. We are not perfect but will always try to make things right for you, our customers. If you have any issues or question, please do not hesitate to ask. We strive to make sure every one of our sales are easy and painless. All of our products are new unless stated otherwise and come from smoke free. Controlled warehouse right here in the heartland. If ordered before 9 A. It will go out same day as well. If an issue arises please send us a message before putting in for a return and we will try to find a beneficial outcome to both parties.