DIYHD 51-3/16 Bifold Sliding Barn Door Hardware, 1 Piece Black Flat Track Top Mount Roller, Fit 4 Door MAX Width 47in(NO Door). Hardware only, including door panel. Track length 51-3/16″, fit max door leaf width 11-3/4″;Thickness: 1-3/8″1-5/8″. Full set hardware including:51-3/16 track X1, StopX2, Track&wall connector X4, Floor guideX2, HingeX6, RollerX4. The height from top of the door to the top of the roller is 5 5/16. The gap between door and wall:Door closed:1″1 3/16″;Door opened:1/4″3/8″. Unable to choose a carrier. Any product you return must be in the same condition you received it and in the original packaging. Please be aware that our products are stored and fulfilled by third-party warehouses and manufacturers across the United States (also known as third-party fulfillment or product sourcing). We usually respond within 24 hours on weekdays. Thank you for shopping at our store.