This kit can hold MAX door weight 300lbs, can be used for both interior door and outside 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 item "DIYHD Raw Material Galvanized Box Track Ceiling Mount Sliding Barn Door Hardware" is in sale since Friday, February 7, 2020. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware". The seller is "sliding-barn-door" and is located in Carol Stream, Illinois. This item can be shipped to United States, Australia.