Check the listing for details. 4Pcs Computer Cleaning Brush Tools Soft Bristle with 4.7 Inch Plastic Handle. Color: Black, Silver, Condition: New. Listed at 12.27 USD. What is this?These brushes are great for all the small nooks and crannies that you need to clean! Great for keyboard, camera lens, electronics, home, office, etc. The small narrow brushes help clean the coffee grind around the machine.What will I get?The cleaning brushes we provide here are in the size of 120mm x 15mm x 12mm / 4.72 x 0.59 x 0.47 inches (L*W*H); Bristles Size: 33mm x 14.5mm / 1.3 x 0.57 inch (L*W)In the package of 4pcs x Computer Cleaning BrushesAre there any advantages of the product?The handle is made of plastic, comes with a soft bristle. It can get into hard to clean places like under knobs, faucets.How to use it?They are tiny and easy to use. They can get into tight spaces that a larger brush cannot.What should I notice?We recommend you gather the dust together and then use a dust collector to suck the dust away.