ABOUT US CCJH is a professional manufacturer, With 10 years experience in designing and manufacturing barn door hardware, now we have 40 hanger styles and 4FT-20FT track sizes(full size) to meet your different needs. All of our products comply with strict quality control and advanced technology makes CCJH Sliding Barn Door Hardware more reliable. Details • Main Material:Carbon Steel • Color: Black • Maximum Door Weight Capacity: 330Lbs • Warranty: 5 Years New Upgraded Style Suitable for door thickness:1-1/4"~1-3/4", the minimum distance from the top of the door to the ceiling is 5-13/64". Single track load per door max 330lbs.Track Length> Door Opening+150mm/6" Sturdy and Durable The folding door hardware kit is made of high quality carbon steel with frosted black anti-rust surface coating, which is not easy to corrode or damage and has a long service life. 【Easy to Install】 Our sliding barn door hardware kits come with professional installation instructions, excellent customer service, and detailed installa