Hiendure Solid Brass Bathroom Vanity Sink Faucet Single Handle One Hole Hot and Cold Basin Mixer Tap with 3/8" Female Compression Thread Comes with all necessary accessories for installation. Featured with durable ceramic valves ensuring there are no water leaks. Available to work more than 600,000 times at a water temperature of 90 degrees. High quality material and finishing tested at a high water pressure of 1.6Mpa. Installation Hole Diameter: 35-40mm(1.4-1.57 inch); Installation Deck Thickness: Less than 30mm (1.18 inch)