Brand New LTIYITL 3.3FT Bi-Folding Sliding Barn Door Hardware, Smoothly and Quietly-Heavy Duty -Simple and Easy to Install for 2 Doors Hardware Kit, Basic”J”[No Door]. [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. [PRODUCT DETAILS]:3.3FT/40″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&#######x27;&#######x27;-1.58&#######x27;&#######x27;, leave 6″ from the upper edge of the door to the roof. [PACKAGE INCLUED]: splicing track, 2 J-type pulleys, 1 rotating shaft, 2 anti-jumping discs, 2 door stops, 1 floor rail, all hardware needed for hanging door. Note that there is only hardware, [DOOR NOT INCLUDED]. [QUIET AND STABLE]: The roller part is made of high-quality nylon material, which ensures that the roller slides like butter on the track. There are high-quality spring limiters on both sides of the track to ensure that the door is fully cushioned when it is closed, and the door will not be damaged. All our products are brand new and sealed. We take our reputation seriously.