2: Widely Use : Suitable for Living Rooms, Kitchens, Bedrooms, Bathrooms, Laundry Rooms, Storage Rooms, Closets, Study Rooms, Walk-in Closets. Compatible with sliding doors such as Screen Doors, Wooden Doors, Framed Glass Door, Barn Doors, Terrace Doors, Bypass Door 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 doors with a thickness greater than 3 cm(1 1/8") and a width greater than 60 cm(23 5/8") 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 Fits all kinds of indoor and outdoor spaces: bedroom, dressing room, kitchen, barns, garages, and stables, etc.