Sliding Barn Wooden Door Hardware Closet Track Kit for Single/Double/Bypass Door. Excellent Quality? Made of high-quality carbon steel, it has the advantages of being sturdy, durable, wear-resistant, and corrosion-resistant. The roller adopts a combination of high-quality bearings and nylon wheels, paired with 6mm thick tracks, to improve the bearing capacity of the product. And after 120000 tests, ensure that the sliding is quiet and smooth. Unlike traditional hardware kits on the market, foldable door kits can greatly save your space. Moreover, it has a wide range of applications and can be used in various living environments, such as living rooms, restaurants, study rooms, etc. Product Details? Packaging: 3x track, 2x roller, 2x roller rotating bracket, 1x roller holder, 3x gasket, 3x hinge, 1x floor guide rail, 1x sealing strip. Suitable door thickness: 1-3/8 “1-3/4″ (35mm45mm). [Friendly reminder: excluding doors]. [Easy to install] : The total width of the door panel plus 4 inches is the length of the track. We provide detailed instructions for the double fold sliding barn door kit, with pictures and text, so you can install it intuitively, saving time and finding an installation team for you. Specifications: Colour: Black Material: carbon steel Track size: about 24-76 inches Track splicing method: 3 pieces Scope of application: Door panel thickness 0.5-50MM. Packing List: 1sliding door guide rail set , as the picture show. An unpaid case will be filled after 4 days.