Complete your faucet installation with the Kibi Bathroom Sink Drain with Overflow. This pop-up drain features a 12" b*rass tailpiece and a 1-1/4" connection. -Standard 1-3/4" drain opening: fits sink hole diameter 1-5/8" to 2-5/16". max sink thickness 2". -Ideal for any above-counter vessel sink without an overflow hole. -Guaranteed 50,000 smooth bounce times. -The sturdy b*rass metal structure ensures corrosion resistance, rust prevention, and maximum durability. -Four layers of superior finishes surpass industry durability standards, will not fade over time. -Easy to install: drain, thin rubber washer, thick rubber washer, hard washer, drain nut, the tail piece are all included. please follow the installation guide to ensure no leak. -Limited lifetime warranty for all mechanical parts, 5 years warranty for finishes.