Senlesen Waterfall Single Hole Lever Bathroom Vessel Sink Faucet With Matching Pop Up Drain Without Overflow Chrome Finish Deck Mounted Bathroom Waterfall Spout Faucet Chrome Finished,Solid Brass Construction 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 Warranty: In case any broken problem happens, please contact us to solve the problem until satisfaction.We provide lifetime after sale service for all faucet