POWERFUL CLEANING: Each stiff bristle brush has been designed to excel in different cleaning tasks but can be used universally. The Ultimate Scrub Brush Kit is only a few clicks away! TILE & GROUT BRUSH: Ergonomic rubber grip won't slip when wet. Extra narrow head designed specifically to get into grout and other tight spaces. Firm, flexible bristles for High Power cleaning POWER SCRUB BRUSH: Contoured handle to provide extra grip and added power to get out tough stains. 7" x 2.5" Scrubbing Surface can be used on carpet, flooring, furniture, etc SMALL SCRUB BRUSH: Excellent for quick clean ups. Ergonomic handle for comfort and control. Hanger hole for convenient storage. Strong polymer bristles to get the job done.