Material: Sink drains are made of high quality brass, durable and not easy to rust. All materials can guarantee the quality. The materials we have been using for a long time are harmless and environmentally friendly. Easy installation: the waste set is suitable for sinks without an overflow. Sink plug with standard G1 connection, perfect for all commercially available sinks. Can be installed completely without tools in just a few stepsEasy open and close. Smooth push-button operation with watertight seal. Click-clack function: thanks to the pop-up mechanism, you can open and close your new bin with just one click. No more worries with stuck and leaking sink plugs. Solid Structure: Heavy duty construction drain valve, solid brass compression spring, which has good rebound and rebound resistance, quickly seals water and lets it flow away with just one pressure. Brand new and high quality pop-up drain plug with overflow hole.Wide Application: This drain valve is suitable not only for families but also for various bathrooms and restrooms such as restaurants, bars and hotels. This drain tap sets the highest standards in terms of design and innovation and blends harmoniously into every washbasin, washbasin, sink and vanity unit without an overflow.Number of delivered pieces: 1Color: BlackPlease see picture for size detail,'