Universal size: the sink drain plug has a diameter of 40 mm and fits into most standard sinks; the spiral design ensures a good seal and adjustable drain height for more convenient use. High-quality metal materials: the sink plug is made of high-quality chrome-plated brass and ABS plastic, corrosion-resistant, not easy to rust, wear-resistant and not easy to deform, can be used for a long time, it is the ideal sink drain fitting. Good filtering effect: the sink plug is designed to manually adjust the depth of the drain to allow waste water to flow into the drain while preventing rings or other foreign objects from falling into the drain, thus preventing the drain from becoming blocked. Easy to install and clean: No tools required, simply insert the plug into the sink drain. Anyone can manually install the drain plug. The robust black plastic body and the rust-free brass head (chrome-plated) are easy to clean and protect your drain from hair, lint and food that can clog it. Multifunctional: this drain stopper fits almost all sinks and bidets and perfectly covers the entire drain area. Ideal for kitchens and bathrooms. Specifications Material: copper + ABS Diameter: 40 mm