Brass construction, single lever handle, 3 hole Needed? washerless cartridge, Oil Rubbed Bronze Finish. Pop-up drain assembly included as a free gift. Operated by washerless cartridges (Delta or Peerless interchangeable). Last longer and less expensive to maintain than ceramic-cartridge faucets. Less likely to be clogged by hot water deposit than ceramic-cartridge faucets. 1/2"-male threaded inlet. This is a high-scale faucet at discount price. Please check more of our products at www.faucet888.amazonwebstore.com