MAL-GRIT rotary floor machine 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. MAL-GRIT Stripping Brush: Our most popular grit brush. An aggressive brush for general scrubbing or stripping finishes from hard surfaces. Effectively cleans wide grout lines. Trim Length: 1 1/2". BEST USED FOR: Stripping: Terrazzo, Vinyl Tile, Ceramic/Quarry Tile, Linoleum - General Scrubbing: Heavily Soiled Concrete. 1 each.