6 Pieces Bore Brush Set Variety of Size & Shape Stainless Steel Twisted Wire Brush for Cleaning rust, Auto, Corrosion, Tubes holes, 1/4in Hex Drill Shank for Power Drill Impact Driver, 4" Long - Lanxi MAXMAN Tools, GS01-6set

• [Variety of Size & Shape] -Package contains 6 pieces stainless steel bore brushes, with lots of choices in material, shape, and size that allowing exact fit, easy to switch brush sizes, and can meet your different needs. [MULTIPLE APPLICATIONS]- Wire scratch brush is designed for easy access into narrow holes and confined areas, suitable for cleaning rust, corrosion, debris and dust, can be used for automotive, tubes, ports, or other narrow clean up requirements such as small engine parts or a motorcycle engine block, scrub the inside of condensate tubes, clean the caliper bolt holes for a brake job and threaded holes. [STANDARD FIT]- 1/4" hex shank allows these brushes work well on a power cordless drill or die grinder and driver, durable stainless steel twisted wire bristles will not fall off and quickly deform. [6 DIFFERENT SIZES]-8 mm, 10 mm, 12 mm, 15 mm, 17 mm and 19 mm bristles diameter, 4" length. 1/4 inch hex shank to be mounted on any power drill or die grinder(not included) [PLEASE USE THE BRUSH CORRECTLY]-Please DO NOT exceed 600 rpm, DO NOT turn counterclockwise, just for push and pull motion only. Use these brushes correctly to extend their service life