Check the listing for details. 4FT-20FT Sliding Barn Door Hardware Kit Rail Roller Closet Ceiling Mount Track. Color: Black, Condition: New. Listed at 40.09 USD. NOTE: Door and Install Tools are not included in package. 4FT-20FT Sliding Barn Door Hardware Kit Rail Roller Closet Ceiling Mount Track [Durable Material]: Carbon steel roller, premium nylon roller wheel, Gcr15 roller bearing, high strength industrial grade sliding track, can easily support 330bls load-bearing. [Product Advantage]: Adjustable roller bolts, fit door thickness from 1 1/4" to 1 7/8" (3cm-5cm), Spring door stops, reduce noise and soft close, Tenon design for rail connection, connect seamlessly and move smoothly. [Easy to Install]: Complete barn door hardware kit, step by step instruction installation with detailed graphic description, enjoy a funny DIY installation process. [Widely Used]: This rustic hardware fits wooden & concrete wall, great for saving space and room decor, widely used for kitchen, laundry room, bedroom, bathrrom, office, study room, dressing room, closet, cabinet etc. [Professional Service Team]: We offer 10 years warranty. Please feel free to contact us if some part is missing when you receive it, or other trouble during use, we will help you to solve the problem within 24 hours. The clearance above the top of the door needs about 6.02" / 15.3cm. Track & Roller Accessories: Select Hang Single Door, package includes: ① Spliced Tracks ② Ceiling Mounted L-shape Bracket ③ Roller: x2 ④ Roller Bolt: x4 ⑤ Door Stopper: x2 ⑥ Anti-jumper: x2 ⑦ T-shape Floor Guide: x1 ⑧ Install Manual: x1 --------------------------------------------------------------------------------------------------------------------------------- Select Hang Double Doors, package includes: ① Spliced Tracks ② Ceiling Mounted L-shape Bracket ③ Roller: x4 ④ Roller Bolt: x8 ⑤ Door Stopper: x4 ⑥ Anti-jumper: x4 ⑦ T-shape Floor Guide: x2 ⑧ Install Manual: x1 --------------------------------------------------------------------------------------------------------------------------------- How to Choose Track Size ① Hang Single Door: Track's length should be two times of door panel's width (If door width is 36", you will need 6FT Single Kit for one door) ② Hang Double Doors: Track's length should be four times of door panel's width (If door width is 36", you will need 12FT Double Kit for two doors)