Auto Wire Brush 18-Pack Bore Brush Set Variety of Size Stainless Steel, Brass, Nylon Twisted for Cleaning Rust, 1/4in Hex Drill Shank for Power Drill Impact Driver with Handle, Extension Bar, Tool Bag - Lanxi MAXMAN Tools, GS01Kit

• [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.Total 18 wire brushes（8mm to 19mm bristles diameter）– 6 brass brush, 6 stainless steel brush, 6 nylon brush + (1) handle + (1) extension bar + (1) tool bag for easy transportation, safe storage, and quick organization [MULTIPLE APPLICATIONS]-wire brushes 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. Rubber handle with ergonomic design for a comfortable non-slip grip allows brushes to be used by hand. 6"(150 mm) extendable quick-release extension bar can reach to difficult spots. [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.