PAX Pair of sliding door frames & rail, black, 783/4x927/8" - IKEA
Amazon.com: LDB_BUILDING 6FT Sliding Barn Door Hardware Kit, (Rail Kit & Pull Handle & Floor Guide), Fit 30"-36" Wide Door, Sturdy Heavy Duty Black : Tools & Home Improvement
Colonial Elegance 78.75 in. x 1.56 in. Barn Spirit Sliding Door Rail System SB78R2-BL-ECOM - The Home Depot
Amazon.com: DIYHD 48" Ceiling Mount Bypass Sliding Door Hardware,Silver Box Rail Pocket Door Wardrobe Closet Door Kit,No Door : Tools & Home Improvement