20" Extra-heavy grit scrub brush with clutch plate
For scrubbing unfinished concrete or stripping jobs use a Grit brush. Choose Extra Heavy Grit brush for stripping jobs depending on how aggressive the brush needs to be. The Medium Grit Brush is suitable for most stripping needs. Use a Lite Grit brush for general floor scrubbing on unfinished concrete and a Wire Scrub Brush for very aggressive stripping and scrubbing jobs on unfinished concrete.
Follow link for other Extra Heavy Grit Brushes.