Our Universal tub drain kit is used with older tubs that have a smaller drain hole. The Universal tub drain kit includes a strainer adapter bushing, which allows for the use of the standard drain shoe. the included 1 hole overflow plate can replace an existing 1 or 2 hole overflow plate by using the included overflow adapter bar. Kit includes – chrome 1 1/2″ strainer, chrome lift & turn stopper, chrome 1 hole overflow plate w/screw and strainer adapter bushing.