KOHLER K-5313-4-BN Refinia Single-Hole Bathroom Sink Faucet, Vibrant Brushed Nickel none Imported Single handle allows for both on/off activation and temperature setting For single-hole installation or 4-inch centers with escutcheon (escutcheon plate included) KOHLER ceramic disc valves exceed industry longevity standards over two times for a lifetime of durable performance Premium material construction for durability and reliability KOHLER finishes resist corrosion and tarnishing, exceeding industry durability standards over two times