Hiendure Single Hole Brass Bathroom Countertop Faucet Vessel Mixer Tap, Brushed Nickel Brass faucet body, durable ceramic valve ,ensures quality and longevity Brushed Nickel,Resist scratches and corrosion Installation Hole Diameter: 35-40mm(1.4-1.57 inch); Installation Deck Thickness: Less than 30mm (1.18 inch) Standard 3/8-In compression threads,Easy to install,hardware In case any broken problem happens, contact the seller of Hiendure without hesitation to solve the problem until satisfaction.