General description This CSPARKV Perforated Pop-up Sink Drain is designed for sinks without an overflow feature. It features a push-open valve waste system, making it easy to operate and maintain. The drain plug is suitable for all commercial sinks that lack an overflow, providing a practical solution for your bathroom or kitchen needs. Technical specifications Material: All copper Finish: Polished chrome Standard installation dimension: ¼ Installation Fits all common sinks with a standard ¼ installation dimension Comes with all necessary gaskets and accessories for installation Easy to install according to provided instructions Usage Push-type rebound switch for easy operation Press the drain plug to close and lock; press again to open and drain water Top cap can be unscrewed by turning counterclockwise for easy removal Other information Multi-layer seals ensure no water leakage Corrosion protection and durability against daily scratches