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. Offers the durability of grit brushes with minimum aggression. For daily scrubbing of a variety of tiles, marble, terrazzo and non-slip epoxy finishes. Trim Length: 1 1/2". BEST USED FOR: General Scrubbing: Vinyl Tile, Terrazzo, Ceramic/Quarry Tile, Linoleum, Marble, "Raised Disc" Rubber Tile, Non-Slip Epoxy Finish. 1 each.