Mal-Grit Stripping Brush (80 grit) Ideal for General Scrubbing and Stripping  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".MAL-GRIT XTRA™ is the most aggressive grit available. This heavy gauge nylon with larger grit is used for stripping heavily soiled floors, such as concrete floors in an industrial setting. MAL-GRIT™ Product No. Product Description Block Type Block Diameter Filament Color Grit Size 773211 11" MAL-GRIT ™ Plastic 11" Black 80 773212 12" MAL-GRIT ™ Plastic 12" Black 80 813213 13" MAL-GRIT ™ Plastic 13" Black 80 813214 14" MAL-GRIT ™ Plastic 14" Black 80 813215 15" MAL-GRIT ™ Plastic 15" Black 80 813216 16" MAL-GRIT ™ Plastic 16" Black 80 813217 17" MAL-GRIT ™ Plastic 17" Black 80 813218 18" MAL-GRIT ™ Plastic 18" Black 80 813219 19" MAL-GRIT ™ Plastic 19" Black 80 813220 20" MAL-GRIT ™ Plastic 20" Black 80