Universal popup basin sink: Made of high quality copper with chrome finish, and the solid brass bouncing core has good resistance to rebound and rebound, resistant to detergents and oils, can seal the hole from the sink and drain the water quickly. High quality: The gasket is a high quality silicone ring, which is not easy to age and has better sealing. Push the sink stopper to prevent waste from entering the pipe. Thoughtful design: adopting spring mechanism and screw pusher, you only need to push the sink stopper to drain the water quickly. The slotted bolt set is detachable, so it is convenient to clean. Exquisite Appearance: The sink cover adopts exquisite chrome appearance, which brings you a comfortable touch. The noble chrome cover plate shines with an extremely smooth surface in your washbasin sink Hold Fitting:The springloaded drain plug is suitable for a sink with a hole of 3639mm. Please make sure the hole size before purchase. (If some parts are missing due to transportation, please contact us in time for a refund or replacement. Universal explosionproof drain strainer, bouncing core sink drain stopper bathtub tool High quality brass is not easy to rust Suitable for most standard accessories Thumb mechanism spring easy to pop the thread Function: Prevent garbage from entering the pipe and prevent the pipe from being blocked. Easy to Install: Easy to screw and unscrew. Good Quality: Made from high quality materials, lightweight and durable for long term use. Application : Suitable for most sinks, sinks. Replacement: Works as a replacement part for the basin drain plug. Features: Diameter: 6.6 cm Thread size: M8 Bolt Thread Up: M8, M16 Height: 3.7cm Height Closed: 2.8cm Colour: Silver + Gold Material: Zinc Alloy, Brass Package Included: 1 Bolt +1 Knob