Stainless Steel Sliding Bar. N Door Hardware Y Shape. The sliding barn door hardware system fit door thickness 3.5cm-4cm. Stainless steel chrome rai. L, rigid plate structure, strong load capacity, Weight maximum door is 100 kg. Add anti-falling wheel on the roller, prevent the roller falling off. Pre- drilled rails with adjustable fixed seat, add mat behind the seat, protect the wall surface. Adoption of double edge grinding processing, the track edge is smooth and not hurt the hand. Space saving due to sliding motion, The sliding door fitting are very easily to decorate and suitable for bedroom, study room, dressing room, kitchen, closet, cabinet, farmland etc. Any questions feel free to tell us, our Customer Service team will. Follow up and solve it for you as soon as possible. The aviation stainless steel. Track with decorative chrome plating, wall thickness is up to 2mm, the track adopts mechanical design, add keel support in the middle, through strict test can strongly support weight. Add anti-falling wheel on the roller, can effectively prevent the roller hanger from falling off during sliding. The head of the door stopper is nylon arc, Perfect fit with roller pulley radian, reducing noise. How to Choose Track Size. Track’s length should be two times of door panel’s width (like your door width is 2.5FT/76cm, You will need 5FT/152cm Kit for single door).