Contains:Drill brush with 3 different size brush heads include 2 in,3.5 in and 4 in,effectively keep your home clean and convenient for daily use Material:Drill brushes for cleaning is made of nylon bristles,the connecting rod is nickel plated to prevent moisture,well constructed and durable Easy to Use:Drill brush attachment features quick and easy connection, compatible with cordless drills that accept 1/4,allows for quick shaft changes,and easy connection,can use both indoors and outdoors Well Design:Drill brush set has an integrated structure,is not easy to fall off,has a variety of brush wires,adapts to a variety of cleaning environments,and effectively improves cleaning efficiency，making cleaning more thorough Wide Applications:Drill cleaning brush set is very versatile,it can be used for bathtub,grout,upholstery,bathroom surface,floor,tile,shower, toilet,wheel,shelf and carpet and more,saving yourself time and effort cleaning all kinds of different surfaces