Normal Aluminum U Shape Wheels

The Alaks Normal U‑Shape Aluminum Roller is a practical hardware component used in standard sliding systems. It is specifically designed to move smoothly on round tracks and U‑profile rails. The U‑shaped wheel allows the roller to sit evenly on the rail, enabling the door or window sash to move with low friction and without jamming.
Its durable aluminum body, lightweight structure, and high‑quality bearing make this product a reliable choice for various standard sliding doors and windows.