Premium Material: Crafted from high-quality this mouse roller is built to enhance durability and performance, ensuring smooth scrolling and precise control Easy Installation: Replace your worn-out scroll wheel easily with no tools required. This accessory snaps right into place, making your mouse feel new Enhance Your Experience: Improve your productivity and comfort in daily tasks with a smoothly operating scroll wheel that meets the manufacturer's standards Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: As Shown Material: Stainless Steel Package Contents: 1 x Main Roller 1 x Side Roller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.