Durable Material: These motor carbon brushes are made of carefully selected graphite and copper, which are sturdy, wear-resistant, and stable Widely used: Electric brushes are applied to various electric tools and motors, such as circular saws, oblique saws, drills, hammer drills, vacuum cleaners, motorcycles, fan motors, cutting saws, angle grinders, etc Complete set of 60 pcs: Carbon brushes 10 sizes, each size 6pcs(6.5x7.5x12mm, 11x7x18.5mm, 17x7x19mm, 8x5x13.5mm, 10x6x17mm, 13.5x6.5x18mm, 11x5x17mm, 9x6x13mm, 8x5x15mm 8x6x14mm). This comprehensive set is stored in one box for easy portability Reminder: Carbon brushes are the most commonly replaced parts in power tools, as they gradually wear out due to friction and use. Replacing worn carbon brushes restores motor performance, fixing issues like intermittent function and reduced power. If brushes wear out quickly, it may indicate a rotor problem, requiring rotor replacement Positive response: If you have any questions after receiving the product, please contact us first. we will provide you with nice service ASIN B0G39CCX3J Model 60pcs Brand Name DTZYXMX Model Name Carbon Brushes Set Unit Count 1.0 Count Part Number Carbon Brushes Set Manufacturer DTZYXMX Material Type Carbon Included Components Carbon Brushes Set