Senlesen Single Level Waterfall Spout Bathroom Basin Faucet Vanity Sink Mixer Tap with 6-inch Hole Cover Plate Chrome Polished Senlesen BATHROOM FAUCET With Matching Escutcheon Cover Plate Chrome The Hole Diameter Of Your Sink :3.3cm-4.5cm1.3-1.77 Could install this faucet or You have to drill the hole Single Hole Waterfall Big Spouts Include Hot Cold Water Lines with US 3/8" Standard Connection LIFETIME BREAKAGE WARRANTY&30 DAY MONEY BACK GUARANTEE: In case any broken problem happens, contact the seller of Senlesen without hesitation to solve the problem until satisfaction.Senlesen provides lifetime after sale service for all Senlesen faucet. Customers can return and get refunded for any reason. You have no risk to try