All-Inclusive Track Package: This sliding door track system includes 2 upper tracks (13/16" W x 11/16" H x 48" L) and 2 lower tracks (13/16" W x 5/16" H x 48" L). With this complete set, you can easily set up your sliding door system without the hassle of sourcing extra parts. Ideal Fit: Designed to fit 1/4" thick glass or wood panels, these sliding door tracks provide a universal solution for various applications, such as showcase doors, bookcases, cabinets, and more. Durable Construction and Simple Installation: Made from high-quality Styrene with a long-lasting black finish, these tracks promise years of dependable use. Installation is a breeze; simply use screws, glue, or double-sided adhesive. The 48" long plastic channel can also be trimmed to fit your specific needs. Effortless Sliding Performance: Our sliding door tracks ensure smooth and quiet operation without the need for glides or wheels. This seamless action allows your panels to glide effortlessly, preventing damage to your doors and enhancing comfort in your space. Wide Range of Uses: Ideal for both residential and commercial settings, these tracks can be utilized in various applications, including offices, cabinets, and sliding glass doors for reptile tanks. They accommodate multiple types of sliding door panels, including wood, aluminum, and plastic. Outwater Industries' plastic sliding door track features an upper track, and lower track. It is designed for installing by-passing 1/4" thick sliding doors with a 19/64" gap. Popular applications include replacement sliding door track, sliding showcase doors, bookcases, small cabinets, vanities, medicine cabinets reptile tanks, vivariums, honeycomb panels and more. Our sliding door track system allows wood doors to slide smoothly and quietly without requiring glides, wheel or lubricant. Installation is fast and easy. Simply apply screws, glue or double-sided tape. Each plastic channel is 13/16" wide x 48" long and comes in a pack of 2. Our upper/lower sliding door track is manufactured from durable Styrene that can withstand years of use. It features a solid black finish. Upper Track Dimensions: 13/16" W x 11/16" H x 48" L. Lower Track Dimensions: 13/16" W x 5/16" H x 48" L.