Role of carbon brushes: Motor carbon brushes have good switching and current collection performance, used for replacement and daily maintenance. Because carbon brush wear is a common cause of intermittent decline in motor function, reduction in electric brakes and reduced motor power. Strong and durable: The replacement carbon brush is made of High quality durable graphite metal, with high hardness, tough wear and corrosion resistance, low spark, low noise and long service life. The carbon brush is one of the most commonly used parts of power tools Replacement of carbon brushes: After replacement, the motor has a better maintenance effect and avoids interruptions caused by poor contact of each carbon brush. It can solve the problem that the motor stops regularly and restores the electric brake of the motor Wide range of uses: Motor carbon is widely used for electric circular saws, miter saws, electric drills , electric drills, dust collectors, motorcycles, weeders, blower motors, cutting saws and angle grinders, as well as other types of appropriately sized power tools and electric motors.< br /> Color: Black Weight: 200g(10PCS) Size: 6*10*23mm