Used for repairing electric tools, electric pickaxe motors, electric circular saws, angle grinders, and electric drills. Poor operation of the motor is usually caused by worn carbon brushes, and a new carbon brush can be replaced to restore the motor's rotation. Made of graphite and metal, with high hardness and wear resistance. Scope of application: Electric tools, electric circular saws, aluminum sawing machine carbon brushes. Size: 16x11x7mm (length x width x thickness), Manufacturer: Homeswitch