Features： 1、SUFFICIENT QUANTITY: There are 20PCS carbon brushes in the set, which can maintain your power tool's engine for a long time and long life. 2、COPPER MATERIAL: Carbon brushes are made of copper, resistant to wear and tear, strong and durable, ideal for replacing your old or worn out parts. 3、COMMON REPLACEMENT: Worn carbon brushes are usually the cause of poor engine operation, and the user can repair intermittent motors by replacing the brushes. 4、WIDE APPLICATION: This carbon brush is suitable for rhinestones, hand drills, angle grinders, blowers, mixers, trimmers and more. 5、EASY INSTALLATION: Carbon brushes are compact, simple, do not take up installation space and are easy to install quickly. Specification： Item Type: Motor Carbon Brush Material: Copper Applicable to: Hand drill, angle grinder, hair dryer, mixer, trimmer Size: Approx. 5 x 5 x 8mm / 0.2 x 0.2 x 0.3in Package List： 20 x Motor Carbon Brush