[Revolutionary cleaning] No longer need to laboriously hold a brush in the corner to clean your bathroom, kitchen, etc [Save time] Traditional manual cleaning is too time consuming? Our drill brushes are simple to install and durable. Compared with the traditional cleaning method, you can clean oil, dross, scale, dust, etc. with 5-10 times speed [Cleaning Brush] Made of professional 3 combination drill brushes (excluding drill bit)-2 inch / 3.5 inch / 4 inch 100% polypropylene-very durable brush material. Suitable for most cordless drills, all three brushes have a 1 / 4-inch QUICK CHANGE suitable for easy connection to cordless drills [Widely used] 3 shapes of brushes can be used to clean your bathtub, grout line, carpet, siding, corner, tile, stove, counter, linoleum, bathtub, shower, grill, marble, fiberglass, etc [60-day refund] We guarantee that within 60 days, if you are not completely satisfied with our product, we will refund the full amount or send a replacement product as requested by the buyer. Does not include cordless drill