Tre Mercatis Brass flange Bath pop up Waste and Overflow measures 1 ½ inches, it is sturdily built for long term use and comes with a parking plug and ball chain. Its excellent chrome finish retains its lustre despite wear and tear. With contemporary styling, it is easy to fit and clean and comes with a 10-year long guarantee from the manufacturer. This useful accessory is available in chrome or antique gold finish.