WIRE BRUSH SET: You will get 18 pieces stainless steel hole brushes with handles, many quantities, different sizes to meet your different needs, suitable for replacing traditional hand brushes, more grip for better control. PRACTICAL: The cleaning brushes are designed for easy access to narrow holes and confined areas and can be used for ports, pipes, bearings, cylinders or other narrow cleaning requirements. EASY TO USE: You can simply stick a brush on the included handle to remove rust or dirt, and can also be used with any electric drill or grinder for you efficient cleaning. MULTI-SPECIFICATIONS: There are 6 different sizes of twisted pair stainless steel hole brushes, including diameter of 8mm, 10mm, 12mm, 15mm, 17mm and 19mm; Each brush has a 4 inch long and 1/4 inch hex handle, can be mounted on any electric drill or grinder (not included). Material: Round cleaning wire brushes are made of high quality stainless steel, reliable and strong, not easy to wear or break, can provide