High quality barn door hardware kit, Premium nylon roller wheel, Gcr15 roller bearing, High strength industrial grade track, Can easily hold 330bls loads. Spring Door Stops, reduce noise and extend life? Pre- drilled rails, steel bearin. The rustic wooden sliding door fitting are very easily to decorate and suitable for bedroom, study room, dressing room, kitchen, closet, cabinet, farmland etc. We offer 10 ye. Ply you within 24 hou. Step by step installation manual, professional after-sales customer service help you install easily. Track Material: Stainless steel. Maximum load-bearing capacity of a single door. Suitable for door thickness. From 1 3/16″ to 2″3cm-5cm. Super load-bearing capacity, inner nylon wheels, will not wear the track when rolling. Unique Spring Door Stops. He spring design door stopper can not only reduce sound during sliding your door, also extend the life of the kit. Ounted on the top of the door, prevent the door from popping out of the track during movement. The roller screws can be adjusted freely in any size within the door thickness from 1 3/16″ to 2″(3cm-5cm). Ackage includes: For Single Door. According to rail holes. 1 hole need 1 set. Roller Bolt: x4. Door Stopper: x2. T-shape Floor Guide: x1. Install Manual: x1. Ackage includes: For Double Door. Roller Bolt: x8. Door Stopper: x4. T-shape Floor Guide: x2. How to choose track length? Track’s length should be. Of door panel’s width (like your door width is 2.5FT/76cm, You will need 5FT/152cm Kit for single door). The length of the track should be. The width of the door panel. (like your door width is 24”/61cm, You will need 96”/244cm hardware Kit).