Brizo 65172LF-BN Loki Bathroom Faucet Double Handle Single Hole, Brushed Nickel Two handle lavatory faucet for concealed mounting on one hole applications Accommodates up to 3-5/16" deck thickness Model has metal drain assembly with plated flange and stopper 5 13/16" (148 mm) long spout Recommended 1 3/8" hole size