Rozin Creative Design Bathroom Sink Faucet Single Handle Mixer Tap Chrome Finish Single Hole Deck Mount,Diameter of hole in sink should be 33mm to 45mm Cold and hot water mixing,with two water supply lines If you need a sink drain,refer to item(ASIN): B073F42YSD Overall Height:17cm(6.7");Overall Spout Reach:24cm(9.44") Rozin provides any replacement in future use,so contact unhesitatingly once you have any problem