Rozin Gold Color Swivel Spout Kitchen Sink Faucet One Hole Deck Mounted Mixer Tap Single Hole Deck Mount,Diameter of hole in sink should be 33mm to 45mm Cold and hot water mixing,with two water supply lines and mounting fittings Single Handle on/off operation,easy to control water temperature,swivel spout design If you need a hole cover plate,refer to ASIN:B01269HUGE Superwater provides any replacement in future use,so contact unhesitatingly once you have any problem