Mini Size Power Scrubber Stiff Scrub Brush 2inch Diameter Stiff Brush for Tight Spaces Save time and effort cleaning and scrubbing flooring, concrete, brick and stone 303 Stainless Steel Shafts 1/4' Hex, Quick Change,Cordless drill NOT included Drill NOT included 2 inch Red stiff revolving brush with Fused, 1 3/8" long Polypropylene Bristles Same proven design of the Original Drillbrush Power Scrubber. Now with stiffer bristles and smaller All Drillbrush Products have a 90 day no questions asked Money back Guarantee. If you are not completely satisfied with our product we will issue a full refund or ship out a replacement at the buyer's request. Cordless Drill NOT included.