Thumb Score: +18

Holikme Store via Amazon.com has Holikme 9Pack Drill Brush ，All Purpose Drill Brush with Extend Attachment for Bathroom Surfaces, Grout, Floor, Tub, Shower, Tile, Kitchen and Car，Corner,Masonry Brushes，Yellow on sale for $7.99.
Shipping is free w/ Prime or on $35+ orders.

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About this item [list][*]【 Wide Applicability 】- Contains 8 brushes to clean your bathtub, grout, upholstery, bathroom surface, floor, tile, shower, toilet and carpet etc, Nylon bristles will not scratch surfaces of them.