. The matt black unslotted click clack basin waste is constructed from durable material with a stylish matt black finish. Waste is controlled by a simple push button mechanism for that finishing touch in your bathroom and provides excellent performance. Designed for use with basins without an overflow hole. Features . Diameter - 66mmConnection Size - 1 1/4Unslotted basin wasteManufactured to the Highest StandardsFinish - Matt BlackSprung plug5 year warranty against manufacturer faults (excluding serviceable parts). .