Royal Series Ball Valve Twist Drain, 1-1/4" overflow outlet with cap, fits 3-1/2" sink opening, includes vandal resistant screw for strainer, stainless steel ball valve, nickel plated cast bronze, cCSAus, NSF‍​‌​​‌​‍​​‌‌‌​​‍​​‌​​‌‍​​‌‌‌‌‍​​‌‌​‌‌‍​‌​​‌​‍​​‌‌​‌‌‍​​‌‌​‌‌‍​​‌‌‌​‍​​‌‌‌​‍​‌​​‌​‍​​‌‌‌‌​‍​​‌‌​‌‍​​‌‌​​‍​​‌‌‌‌​‍​‌​​‌​‍​​‌‌‌‌‍​​‌‌‌‌‍​​‌‌​​‍​​‌‌‌‌‍​​‌​‌‌‍​​​‌‌‌‍​​‌‌​​‍​​‌​‌‌‍​​‌‌‌‌​‍​​​‌‌‌‍​​‌‌‌​​‍​​​‌‌​