Feature: 1. STRONG AND DURABLE: Adopt excellent copper materials, come with long service life, high strength and durability 2. PERFECT REPLACEMENT: Motor carbon brushes are an ideal replacement for your old or worn parts, useful and practical 3. GOOD REPAIR: Carbon brush wear is often the cause of poor engine operation. Intermittent motors can be repaired by replacing brushes, very convenient 4. MODEL SIZE: These brushes measure approximately 16x2x22mm, meet can be used. Possess excellent thermal conductivity and corrosion resistance 5. WIDE APPLICABLE: Suitable for large electric pick, hand drill, angle grinder, hair dryer, mixer, trimming machine and so on Specification: Item Type: Motor Carbon Brushes Material: Copper Suitable For: Hand drill, angle grinder, hair dryer, mixer, trimming machine Size: Approx. 16 x 6 x 22mm / 0.63 x 0.24 x 0.87in Package List: 20 x Motor Carbon Brushes Note: 1. In case of spark after the installation of the new carbon brush, please continue to run for 1‑2 minutes, the spark will disappear naturally after the carbon brush is fully ground. 2. The use of the new carbon brush soon finished grinding, this situation is caused by the commutator is not smooth, check whether the rotor has concave and convex situation. 3. After the new carbon brush is put on the machine, the wire is burned off. Please stop using the brush immediately and check the equipment to avoid other injuries. This situation is mainly caused by welding, short circuit, dust and other bad links caused by over current situation, please deal in time