【Premium Quality】: The core material of this folding pot filler kitchen faucet is food-grade stainless steel, which increases the durability and reliability of the structure.The diamater of installtion of hole shoule be 32mm (1.26inch) -40mm(1.57inch).The max countertop thickness is 35mm (1.38inch). 【Convenience and Easy Use】: One single handle to control cold and hot water, one hole deck mounted, dual swing joints that can rotate 360 degrees, dual valve control has greater flexibility when us