Features: Achieve smooth and accurate tracking with the M575 M570 Mouse Trackball Replacement Accessory. Perfect for gamers and professionals, this quality part ensures highprecision. Crafted from durable and wear resistant materials, this trackball replacement is designed to withstand long hours of use without compromising accuracy. Say goodbye to faulty or non working trackballs with this reliable accessory. This accessory will improve your productivity and gaming experience. Ergonomic design and user friendly features of the M575 M570 Mouse Trackball Replacement Accessory. Specifications: Material: Plastic Color：As Pictures For: M575 M570 Mouse Package Includes: 1PC Mouse Trackball note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!