Features GOOD REPLACEMENT: Worn carbon brushes are usually the cause of poor engine operation, and the user can repair intermittent motors by replacing the brushes. WIDE APPLICATION: The carbon brush is widely suitable for hand drills, angle grinders, blowers, mixers and trimmers. COPPER MATERIAL: Carbon brushes are made of copper for long life, strength and durability, making them an ideal replacement for your old or worn parts. SUFFICIENT QUANTITY: There are 2PCS carbon brushes in the set, which can maintain your power tool's engine for a long time and long life. EASY INSTALLATION: The carbon brushes are compact, simple in structure, do not take up much space for installation, and are easy to install. Spec: Item Type: Motor Carbon Brush Material: Copper Applicable to: Hand drill, angle grinder, hair dryer, mixer, trimmer Size: Approx. 6 x 9 x 13mm / 0.2 x 0.4 x 0.5in Package List: 20 x Motor Carbon Brush Note: 1. If there is a spark after the installation of the new carbon brush, please continue to run 1‑2 minutes, the spark will disappear naturally after the carbon brush is fully ground 2. The new carbon brush will be worn out soon after use, which is mostly caused by uneven commutator, check whether the rotor is bumpy 3. New carbon brush on the machine after the wire burned, please immediately stop using and check the equipment to avoid other injuries, the situation more desoldering, short circuit, dust and other bad links caused by the overcurrent, please deal with it in time Package List 20 x Motor Carbon Brush