Delta 520-SSPPU-DST Classic Single Handle Centerset Bathroom Faucet, Stainless Classically styled faucets and accessories handle the toughest of tasks with ease Single lever handle for ease of control Fast, tool free installation and increase mounting depth to 2.5-Inch A hidden cache aerator adds an aesthetic element to the enhanced design of the faucet Fits standard 4-Inch installation Zinc