This extruded aluminum bracket with a flat-edge steel roller is designed for smooth and reliable operation on aluminum frame windows. It's most commonly used on International brand windows, but is also compatible with a variety of similar aluminum window assemblies. The durable steel roller ensures long-lasting performance, while the extruded aluminum bracket provides sturdy support and corrosion resistance for indoor or outdoor use. This window roller assembly helps restore smooth window function and reduces friction for effortless movement. Installation is simple using a slotted head screwdriver, making it a convenient replacement option for both DIY homeowners and professional installers. Ideal for repairing hard-to-slide aluminum windows and improving energy efficiency by ensuring proper sealing and operation. Each package includes two roller assemblies for completing one or more window repairs.