Anti -Static The anti-static brushes are safer than common brushes, it is safe to use on circuit boards, motherboards, and inside electronic devices, the anti-static brush can clean some extremely difficult stains vent, and not stick dust Multifunctional The portable anti-static brush kit is perfect for up the machine, phone charging port, car interior, keyboard, computers, and hard-to-reach places Easy to Use These anti-static brushes are very easy to use and remove impurities and dust with just a light sweep, and different sizes of keyboard brushes can be more detai in High Quality The anti-static brushes are durable and soft without harming the surface membrane, and ple brush structure, small size, lightweight, easy to carry and use 7 in 1 You will get a 7-in-1 value keyboard brush set, it is a good tool kit to use at home or work, with different bristles hardness, and sizes for your different needs all the time