Ideal for cleaning corners and small pieces of dust. keyboard, bookcase, air conditioning, office table, dust tables and counters, air vents and heaters, and other small places. Our vacuum dust brush is made of high quality polypropylene and artificial horsehair bristles, as soft as natural horsehair, portable and durable for long term use. This vacuum cleaner brush can be used for wet or dry pickup. Easy to install and detach, no tools needed. Dimensions: 62 x 32 x 25 mm. The inner diameter is a standard size of 32 mm, used with most 3.8 cm household vacuum cleaners. Note: The data are all manual measurements, please allow an error of 1 - 3 cm, due to the difference in light and display, there will be a certain color difference, whichever is the actual object received.