Box Rail Heavy Duty Sliding Barn DoorHardware Track Kit,

Box track - wall mounted, 6-12ft sliding barn door hardware kit [Regarding the length selection of the track]-- for a single door hardware kit, the track should be twice the length of a single door; The hardware kit for two doors should have a track length that is 4 times the width of a single door. The 6.6FT single door kit suitable Max.door opening 35.4'',Max. door panel width 39".Weight capacity is up to 330lb. 【CAPACITY OF THE KIT】Suitable for door panel thickness 1" to 1 3/4".  【SMOOTH AND QUIET】The BALL BEARINGS ROLLERS makes the box rail kit glides very quite and smooth. 【HEAVY DUTY】Barn box rails are made of Aluminium Alloy, black powder coated surface,anti-corrosion ensures years of beauty and longevity. Do not recommend used for outside doors. 【CUSTOMER SERVICE】 The detailed installation instruction will help you finish your project easily. We are 24 hours online to help you if there is any part missed or broken or any install problems.