Hello HomeDepotCustomer and thank you for the rating you posted on the Home Depot website for the Moen Chateau Lavatory Replacement Knob Handle Kit. The Chateau Lavatory Replacement Knob Handle Kit has been thoughtfully designed, manufactured under strict quality guidelines and is designed to be installed on a Moen single handle lavatory bathroom sink faucet. Our product specialists are available for pre-purchase, installation or warranty assistance. They can be reached at 1-800-289-6636 and are currently available Monday through Friday from 9:00 am – 5:30 pm Eastern Time.