The hole brush can easily reach narrow holes and narrow areas, and is designed to be used in right-angle grinders; industrial wire brushes are suitable for cleaning steel parts, machinery, unfinished metal parts, paint, without damage Surface or fine lines You just need of the brushes on the included handle to bore out rust or dirt, and it can also use on any power drill or die grinder, which can provide you with effective cleaning Bore cleaning brushes are stainless steel and brass copper, strong and, can clean rust and detail completely; twisted wire is for increased cleaning action The wire cleaning brush is designed for easy access into narrow holes and confined areas, can be applied for ports, tubes, bearings, cylinders or other narrow clean up requirements You will get 6 pieces bore brushes with handle, enough quantity and various sizes can meet your different needs, and suitable replacement for traditional hand wire brushes, Manufacturer: LiRRvb