DIYHD 8FT Material Galvanized Box Track Sliding Barn Door Hardware for Exterior Barn Door, Hardware for 42″-48″ Wide Door. Only box rail barn door hardware for sale, door panel and handle are NOT included. Material:Steel;Surface:Material. 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 box track need install on the wood board. 8FT kit including:8FT box track1;Box track bracket2;Roller2;Stop2;End 2;L guide2. DIYHD 8FT Material Sliver Box Track Sliding Barn Door Hardware. Please wait for the result of cancellation. The order will be processed and completed by automatic warehouse system within 5 minutes. Sending direct message to cancel the order is not allowed for every case. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.