DIYHD M0083 Box Rail Heavy Duty Barn Hardware Interior Outside Door Sliding, 6.6FT Track Kit, Wall Mount Kit. Only box rail barn door hardware for sale, door panel and handle are not included. Material: steel; surface: smooth Black. 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. 6Ft kit including: 6. 6Ft box track1; box track bracket2; roller2; stop2; end cap2; l guides. Color: Wall Mount Kit. Item Weight: 20 Pounds. Color:? Wall Mount Kit. Item Weight:? 20 Pounds. Global Trade Identification Number:? 20. Part Number:? M0083-6.6FT. Item Weight:? 20 pounds. Product Dimensions:? 79 x 5 x 5 inches. Country of Origin:? China. Item model number:? M0083 6.6FT. Size:? 6.6FT Track Kit. Item Package Quantity:? 1. Usage:? Fit Outside door and Indoor. Included Components:? 6.6FT box track1;Box track bracket2;Roller2;Stop2;End cap2;L guide2. Date First Available: September 6, 2018.