6 Wheel Set : Crafted from sturdy stainless steel and nylon, the roller assembly offers excellent strength and wear resistance. With a load capacity of 60 kg (132 lbs), it ensures smooth and stable sliding performance 1.85mm Aluminum Alloy Door Track : The sliding door tracks is made of 1.85 mm (0.07 inch) thick high-strength aluminum alloy. Pocket door hardware kit is strong and sturdy, and is not easily rusted or deformed. (Customized lengths are available) 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, Glass Doors, Barn Doors, Terrace Doors For 30-50mm(1.18-1.97") Thick doors : 1. Assemble the pulley set into the closet door track. 2. Secure sliding door rail in place. 3. Fix the insert plates on both sides of the door. 4. Install the floor guide wheel on the ground. 5. Insert the Hanger Roller insert plate into the slot at the top of the door Multiple uses: These tracks are suitable for both residential and commercial environments and can be used in a variety of applications, including sliding glass doors in offices, cabinets. They can accommodate many types of sliding door panels