Welcome to our shop This modern and easy to use drain is designed to fit all ceramic worktops or undermount sinks. The longer body length of this version allows it to be mounted on a sink support surface thicker than the standard. The drain features a matte black finish that is manufactured in-house by the company, ensuring a long life. Installation is simple if you have a basin with a support surface thickness greater than the standard. We recommend cleaning this product without using corrosive substances to maintain its quality. Please note that the package includes one drain. Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. (Customer satisfaction is our top priority. If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will try our best to provide you with satisfactory after sales service) Thank you for meeting me.I hope this helps you. Wish you a happy life.