All Drillbrush Products have a 90 day no questions asked return policy. If you are not completely satisfied with our product we will issue a refund or ship out a replacement at the buyer's request. Cordless Drill NOT included. All Drillbrush Products have a 90 day no questions asked return policy. If you are not completely satisfied with our product we will issue a refund or ship out a replacement at the buyer's request. Cordless Drill NOT included. 1/4 inch quick change shafts fits most drills and drivers Ultra Stiff nylon bristles also will aggressively remove loose paint, rust and stubborn stains on concrete, stone, metal, and brick. Great for cleaning stone, brick, and other tough surfaces, Weight: 0.6875 pounds, Manufacturer: Drillbrush