Bi-folding Sliding Barn Door Hardware Kit for 4 Doors H723235

[EXCELLENT QUALITY]: Bi-folding door kit is made of high quality carbon steel with a matt black finish, ensuring the product is corrosion, water, fire, rust-resistant, durable, and maintains its beauty and longevity for many years.[ PACKAGE INCLUED]: splicing track, 4 J-type pulleys, 2 rotating shaft, 2 anti-jumping discs, 2 door stops, all hardware needed for hanging door. Note that there is only hardware, [DOOR NOT INCLUDED].[ PRODUCT DETAILS]: 6.6FT/80″track, Each door panel should be half the size of the door opening + 50mm (1.97″) and the track should be more than 150 mm (6″) wider than the door opening, thickness: 1.18”-1.58”, leave 6″ from the upper edge of the door to the roof.[ DETAILED INSTALLATION STEPS]: The package of bifolding door hardware kit contains the most detailed and simple installation manual, which makes your installation process easier and more interesting.[