1 1/8 x 1/4 End Knot Cup Brush
The 1 1/8 x 1/4 Drill End Knot Cup Brush has the capability of running 20,000 RPM. They are great for using with any standard drill and fit into small spaces. These are top quality brushes with stout wire & a sturdy shank. Users are reminded to always wear safety glasses when using any abrasive brush or wheel no matter how small.