Stripping Tools -3pcs Tile Grout Cleaning Drill Brush Scrubber Attachment Kit Blue Highlights Generic Brand 3pcs Tile Grout Cleaning Drill Brush Scrubber Attachment Kit Blue Description: The brush has a quick change axle of 1 /4 inch. Nylon bristles won't scratch your tub and shower surface. This drill brush attachment kit includes 3 brushes in different sizes and shapes to fit most cordless drills Durable in use. Designed for cleaning tub, grout, bathroom surface, floor, tile, shower, toilet and carpet etc. Specification: Material: Plastic Color: As Pictures Shown Brush Diameter: Approx. 10cm, 8cm, 4cm Hex Shank Diameter: 1/4'' Package Include: 3 Piece Drill Brush Set Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test.