2: For 8-12mm(0.31-0.47") Thick Glass : Suitable for Living Rooms, Kitchens, Bedrooms, Bathrooms, Laundry Rooms, Storage Rooms, Closets, Study Rooms, Walk-in Closets. Compatible with sliding doors such as Barn Doors, Terrace Doors 1: 8-Wheel Silent Roller Set : Constructed from sturdy iron and wear-resistant nylon, the wheel set ensures smooth, quiet, and stable sliding. It has a load capacity of up to 80 kg (176 lbs). Suitable for glasses with a width greater than 70 cm(27 1/2") 4: Dual Soft-Close Design : Sliding door tracks is equipped with a dual soft-close mechanism that effectively cushions the impact between the door and both ends of the rail, reducing noise. It also slows the door down before fully closing to prevent finger pinching and enhance safety and comfort 3: Package Contents : 1 x Sliding Track, 1 x Pair of Hanger Roller, 2 x Toggle fasteners, 1 x Bottom Stopper, n x Screws Can be used in kitchens, Wardrobe, restrooms, Closet, storage rooms, cabinets, bathrooms, entertainment consoles and other places that need to be installed.