6 in 1: This anti-static brush kit includes 5 different sizes of anti-static cleaning brushes, 1 plastic tweezers. Combinations of different sizes can meet the cleaning needs of different scenarios. Tweezers: In the process of cleaning parts, the role of the tweezers is also very important. It can remove residual debris and pinch stubborn dirt. Antistatic: An antistatic brush can release static electricity to the floor. Allows us to completely and safely clean sensitive components. Use: It can clean all kinds of hidden dirt corners such as CPU, USB port, keyboard, mobile phone, computer, laptop, motherboard, PCB, etc. Home and laptop: Our keyboard cleaning brush is a must have for computer technicians and office workers, and it is also very convenient for business trips.