Adapter bar converts 2-hole overflow to accept 1-hole overflow plate. Designed with theft and vandal- solid brass turn stop closure. Includes 1-3/8"-16 fine thread strainer body and a 1-1/2"-11-1/2 adapter bushing to fit virtually all bath wastes now in service. Chrome finish. Clamshell pack. Warning: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Lead