Large 5 inch diameter round Ultra Stiff drill powered scrub brush. This brush has super stiff and aggressive nylon bristles for the removal of stains on concrete, brick or stone. The large diameter is especially useful for larger de-scaling projects on metal surfaces or removal of loose paint. This brush has very stiff bristles and is NOT recommended for fabric, carpet, or where scratching could be an issue.Cordless drill NOT included. -Clean your grill safely with no more broken and loose flying wires to contaminate food. Rust free. -Black Ultra Stiff bristle drill powered brush for grills, grates, and heavy duty scrubbing. -Rugged steel, quarter inch, QUICK CHANGE shaft that works with cordless drills and impact drivers. -5 inch diameter grill brush removes baked-on food, grease buildup, and rust.