Maxpro Carbon Brush is specifically designed to be compatible with the Maxpro MPPL900/3DR Planner, ensuring a proper fit and reliable performance., Carbon brush is made from high-quality carbon material, known for its excellent electrical conductivity and durability, ensuring efficient power transfer and extended use., Carbon brush serves as a replacement component for the Planner's existing carbon brushes, allowing you to maintain the tool's optimum performance during planning tasks.