Function:Cleaning Type:Disc Brush Origin:Mainland China Features:Drill Brush size:2/3.5/5'' Features: This kit contains medium stiffness nylon power brushes that will attach to your favorite cordless drill. 3 different sizes and shapes of brushes for cleaning around your bathroom surfaces. These nylon bristles will not scratch and can be used on tubs, sinks, baseboards, fiberglass shower enclosures, shower door tracks, and porcelain. All three brushes have quarter inch QUICK CHANGE shafts, Cordless drill NOT included Drill NOT include. Specification: Type: Drill Scrubber Brush Kit Material: Nylon Size: 2/3.5/5 inch Color: White Quantity: 1pcs If you need 3/4 pcs set,could click here for more cost-effective