Fits Most: These sliding door window wheels are designed to fit most standard sliding doors, making it easy to replace old or worn-out wheels Widely Used: Our steel ball wheel bearings are widely used in sliding door and window systems, ensuring smooth and effortless for operation Easy To Install: With simple installation instructions and all necessary hardware included, these roller wheels can be easily installed by anyone, saving you time and effort Sturdy Construction: Made of materials, these sliding door window wheels are built to last and withstand everyday use, providing reliable and durable performance Quiet and Efficient: The steel ball wheel bearing ensures a quiet and efficient for operation, allowing you to enjoy smooth and hassle-free sliding of your doors and for windows, Weight: 0.96562470756 Pounds, Manufacturer: Zanthicia