The 1.5 Push to Seal Dome Drain allows for complete closure of the drain and opening of the drain, as needed. Push down to close the drain push again to open. The Push to Seal Dome Drain has maximum threading to snuggly fit copper bathroom sinks. High quality plating and thicker gauge metal make all Native Trails drains the best of class. The 1.5 Push to Seal Dome Drain is available in finishes that perfectly coordinate with Native Trails' hand hammered copper sinks and NativeStone sinks.1-1 2 Drain Lavatory application Features a forged brass nut and heavy 17 gauge tube All exposed parts are platedLength: 9-1 4 Material: Metal Type: Bathroom Sink Drains Weight: 1.5 Width: 2-1 8