General Description The 4 cm diameter universal basin stopper is designed to fit all standard drain systems, including bathrooms and sinks. This pop-up stopper includes a rubber sealing ring and four side wings that ensure a secure fit, preventing unpleasant odors from rising. Technical Specifications Diameter: 4 cm Materials: ABS plastic, chrome-plated brass, rubber Lifting range: between 6.5 cm and 9 cm Weight: 1 piece Compatibility and Accessories Compatible with almost all European sinks and bidets. Check your drain stopper size before purchase to ensure a proper fit. Installation Installation is quick and easy. The plug can be secured with a nut, and its height is adjustable as needed. Ensure the length of the fixing nut is correctly adjusted to prevent water leakage. Use This plug is ideal for everyday use in sinks and basins. It provides an effective seal and prevents leaks, while facilitating water drainage. Other information For easy maintenance, this plug is designed to be resistant to corrosion and limescale buildup, thus extending its lifespan. If you have any questions or concerns, please do not hesitate to contact the seller.