Features: 1. Efficient Use: Works with good reliability under high speed, the carbon motor brush also largely improve the working efficiency. 2. Broad Utility: Extensively applied on electric hand drill, angle grinder, blower, mixer, trimming machine, etc., very practical. 3. Good Material: The application of premium copper material with high strength ensures excellent durability for long term using. 4. 20Pcs in Pack: There are 20pcs 5 x 8 x 15mm carbon motor brush, and the large quantity will simplify the replacement of old parts. 5. Easy to Install: Comes with a light weight and a compact size as well, the convenient installation can be quickly completed. Specification: Item Type: Carbon Motor Brush Material: Copper Application: For electric hand drill, angle grinder, blower, mixer, trimming machine. Package List: 20 x Carbon Motor Brush Note: 1. If sparks appear after the installation of new carbon brushes, please continue to run for 1‑2 minutes, and the sparks will disappear naturally after the carbon brushes are fully ground. 2. The new carbon brush is worn out quickly after use, which is mostly caused by the uneven commutator. Check whether the rotor is in normal shape. 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 injuries. This situation is caused by excessive current caused by desoldering, short circuit, dust and other undesirable links. Please deal with it in a timely manner.