Senlesen Commercial Pull Down Prep Sprayer Oil Rubbed Bronze Single Handle Pull Down Kitchen Sink Faucets with Deck Plate 2-FUNCTION PUSH BUTTON SWITCH MODES: Designed with spray and stream 2 modes.Easily switch between 2 modes by pushing button 1 or 3 Hole Deck Mount,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 Dual water function-hot and cold water supple hoses included A Counterweight Makes the Hose Easily Retract Back Into the Kitchen Faucet Warranty: In case any broken problem happens,Please contact us to solve the problem until satisfaction