About this item Only box rail barn door hardware for sale, door panel and handle are not included Material: steel; surface: smooth Black;The gap between inner door and wall is no Wooden plank required for installation 2pcs rollers can hold max door weight 300Lbs, can be used for both interior door and exterior door Suitable for door panel thickness 1 1/2" To 2"; the rollers vertical lock nuts are adjustable; the gap between door and wall is supper small, the box track need install on the wood board 5FT kit including: 5FT box track*2; bypass bracket*2; roller*4; stop*4; end cap*4; L guides*2 › See more product details