Yonik BF0001 High-ranking New Style Brass Bathroom Faucet Two Handle Mixer Tap Built-in Water Filter Bath Sink Faucet Bathtub Faucets with Two Handle - Rose golden Function:Bathroom Sink Faucet Material:Solid Brass; Finish:Antique Brass Feature:Deck Mount, Two handles With two pipes for hot and cold water The diameter of the hole in your sink:3.2cm-4.5cm.