[New Accordion Style Bi-folding Barn Door Hardware Kit]: This folding door kit supports "8 door panels" to be folded to both sides, which not only saves space but also improves aesthetics, and is also suitable for use in spaces with limited size or large spaces. [Product Details]: 80"guide rail ≤ 74" door opening; Suitable for 8 doors with a width of ≥10 1/4; Suitable door panel thickness: 1 1/16"~1 13/4" ; Distance from the top edge of the door to the roof =6"; ; Rotating shaft bracket size = 11/16"; Important Tips: The Door is Not Included In the Package. [Heavy-Duty & Sturdy]: Made of solid steel, with black powder coating on the surface with high-quality corrosion resistance and wear resistance. The rollers part is made of high-quality nylon material, Quiet and Smooth like butter when sliding over the guide rail. The maximum bearing capacity of a single guide rail is as high as 330lbs, making it the first choice for heavy-duty doors. [Package List]: 6X Rollers; 80"/6.6FT Splicing guide rail; 1X Rotating Shaft Bracket/Floor Guide; 9X Folding; 1X Installation Manual; All the parts needed. Please Note: DOORS are NOT INCLUDED! ! [24 Hours Support]: whether you encounter any problems before or during your purchase, please let us know and we will be sure to solve your problems perfectly and guarantee your shopping experience.