Rozin Brushed Nickel Finish Waterfall Bathroom Sink Faucet Double Handles Basin Mixer Tap Deck Mounted 3 Holes,Fit for 8-inch Centre(the left to the right) holes at least Cold and hot water mixing,controlled with two knobs Spout Width:8cm(3.1);Diameter of each Knob Base:5cm(1.96") 1/2" Standard connection,with connection hoses Rozin provides any replacement in future use,so contact unhesitatingly once you have any problem