An excellent general scrubbing brush for frequent maintenance cleaning. Flexible enough for cleaning narrow grout lines and uneven surfaces. MAL-Grit brushes offer solutions to a wide range of cleaning situations. Silicone carbide impregnated nylon bristles are self-replenishing as brush wears, offering unmatched value that outlasts floor pads over 100 to 1! That translates directly into time and cost savings.  Featuring our water and chemical resistant TUFF-BLOCK for maximum life expectancy.  All Grit Brushes must be run in a wet environment.  Trim Length: 1-1/2".