Crafted from carbon materials, these brushes ensures excellent conductivity and durability, minimizing electrical noise and sparking for a smoother operational Enhances the of your power tools with our Electric Motor Carbon Brushes Set, featuring 40pcs brushes in 10 sizes for compatibility and efficient repairs seamless power tool restoration with our carbon brushes, designed to deliver stable current transmission and extend the lifes of your equipment Suitable for enthusiasts, professional technicians, and home users who regularly maintain or repair power tools to keep in optimal condition Perfect for various settings, from home maintenance tasks to professional repair shops, this set provide solution for Angles grinders, drills and more