Cordless Screwdriver: 18 Torque clutch for perfect screw driving into a variety of materials ,Spring loaded slide pack battery system for quick and easy battery change and a more secure fit reverse switch for added versatility and LED light for working in dark sites (12V lithium ion battery, 1350rpm); Designed for clean bathtub, grout, bathroom surface, floor, tile, shower, toilet and carpet etc.These nylon bristles will not scratch and can be used on tubs, sinks, baseboards, fiberglass shower enclosures, shower door tracks, and porcelain,Size: 2 inch, 3.5 inch, 4 inch, Convenient to use. Durable in use. Free 11 in 1 Multitool, All three brushes have quarter inch QUICK CHANGE shafts,Cordless drill included, Package Includes:1pc cordless screwdriver machine,3pcs brush set,1pc 5" backup pad, 1pc 5" wool pad, 1pc 5"foam pad,1pc adaptor