Diamond Shine 5-Piece Drill Brush Cleaning Set – Hard Bristles – Power Scrubber Attachments for Grout, Tile, Brick, Concrete, Sinks & More – Fits All Drills – Includes Extension Rod

This 5-piece medium/hard bristle brush set attaches to drills for cleaning various surfaces like tile and concrete. It includes five brushes and a 6-inch extension.

• The description claims the brushes are designed for rough and durable surfaces.
• The description suggests the brushes are suitable for heavy-duty scrubbing.