1. Suitable for Thickness: These sliding doors are designed for 58 mm thick glass or wood panels, offering solutions for a variety of applications such as storefront doors, bookshelves, cabinets, etc. 2. Smooth Gliding: Our sliding door tracks ensure smooth and quiet operation. This seamless performance allows your panels to glide effortlessly, prevents door damage, and enhances room comfort. 3. Aluminum Alloy Track: This sliding door track includes an upper and lower rail, along with four stainless steel rollers. With this complete set, you can easily install your sliding door. 4. Easy to Install: These tracks are made of aluminum alloy, are sturdy, and very simple to installjust use screws and adhesive.