Rozin Swan Design Single Hole Bathroom Basin Faucet One Lever Vanity Sink Mixer Tap Gold Polished Single Hole Deck Mount,Diameter of hole in sink should be 33mm to 45mm Cold and hot water,with two water supply lines If you need a sink drain,refer to item(ASIN):B00NNIINVO Overall Height:19cm(7.48");Spout Height:11cm(4.3") Rozin provides any replacement in future use,so contact unhesitatingly once you have any problem