Item Type: Carbon Brushes_x000D_ Material: Copper_x000D_ Size: Approx. 6.5x7.5x15mm/0.26x0.3x0.6in_x000D_ Applicable for: Electric hand drill, angle grinder, blower, mixer, trimming machine 120 PCS SET: The set contains 20 pcs carbon brushes in total, which are ideal substitute for worn or damaged accessories. 2MOTOR REPAIR: Carbon brush wear is usually the cause of poor engine operation, replace the worn ones to restore the performance of motor. 3ACCURATE SIZE: The carbon brushes are finely made, with standard size, can perfectly fit your power tools. 4EXCELLENT MATERIAL: Made from excellent material, the carbon brush has good stability, strong and sturdy, ensures long service life. 5WIDE APPLICATION: These carbon brushes can be used for hand drill, electric drill, angle grinder, blower, mixer, trimming machine.1. If sparks appear after the installation of new carbon brushes, please continue to run for 1?2 minutes, the sparks will disappear naturally after the carbon brushes are fully ground._x000D_ 2. If the new carbon brush is worn out soon when using, this situation is mostly caused by the unevenness of the commutator. Check whether the rotor is concave or convex._x000D_ 3. After the new carbon brush is installed on the machine, the wire is burnt out. Please stop using it immediately and check the equipment to avoid other damages. This situation is caused by excessive current due to desoldering, short circuit, dust and other situation. Please deal with it in time.20 x_x000D_ _x000D_ CarbonBrushes