4FT-20FT Sliding Barn Door Hardware Kit Track Roller Closet Ceiling Mount Rail. Roller Material:Carbon Steel. 1 1/4″-2″(3cm-5cm). The clearance between door panel a. Nd wall is a. Suitable for single&double doors. Ceiling mount kit mainly suitable for opening don’t have enough beam space to mount track. 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 bearings? 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. Inner nylon wheels, will not wear the track when rolling. Unique Spring Door Sto. The spring design door stopper can not only. Reduce sound during sliding your door. Lso extend the life of the kit. The roller screws can be adjusted freely. In any size within the door thickness. From 1 3/16″ to 2″(3cm-5cm). Pure carbon steel bracket, fixed on the ceiling. Can bear 100KG door panel. Rollers:2 PCS (1 PAIRS). Door Stop:2 PCS (1 PAIRS). According to rail holes. 1 hole need 1 set. Door Stop: 4 PCS (2 PAIRS)? Track fixing accessories According to rail holes. 1 hole need 1 set? Ceiling Mount kit According to rail holes. How to choose the size of the kit? Single door: Track’s length should be two times of door panel’s width like your door width is 2FT. /61cm, You will need 4FT/122cm Kit for single door. The length of the track should be four times the width of the door panel, (like your door width is 24”/61cm, You will need 96”/244cm hardware Kit).