Senlesen Single Lever Waterfall Spout Bathroom Vessel Sink Faucet Hot Cold Lavatory Mixer Tap Tall Body with Pop Up Drain,Oil Rubbed Bronze Waterfall Faucet with Matching Pop Up Drain without Overflow The Hole Diameter Of Your Sink :3.3cm-4.5cm(1.3''-1.77'') Could install this faucet or You have to drill the hole EASY OPERATION: Single lever design for effortless flow and temperature control Include Hot Cold Water Lines with US 3/8" Standard Connection LIFETIME BREAKAGE WARRANTY&30 DAYS FREE EXCHANGE GUARANTEE: In case any broken problem happens, contact Senlesen service to help you solve the problem until satisfaction.