[new design, wide application] This drain fitting is optimized and improved based on standard drains. It fits drainage holes with an inner diameter of 34 mm - 36 mm (1.34 - 1.4 in), helping to avoid common issues such as inconsistent sizing and poor fit. Suitable for most household sinks. Made of stainless steel and brass with rust and corrosion resistance: The drain fitting is constructed from stainless steel and brass, formed in one piece to effectively resist rust and corrosion from household wastewater and oil. Includes a thickened silicone seal for enhanced sealing. Quick installation in 3 seconds: Simply remove the existing drain plug by hand, insert the new sink plug, and press the spring switch to complete installation. No tools requiredinstallation and removal take only seconds for added convenience. Pop-up valve design: The pop-up mechanism prevents sewer odors and ensures reliable operation. The plug remains stable when pressed, providing secure sealing and easy draining. Dual black silicone seals enhance stability and prevent leaks. Built-in filter basket: Unlike standard drains, this unit features an anti-clogging filter basket designed to catch debris and prevent small items such as jewelry, rings, and dirt from entering the pipe, reducing the risk of clogs. Material: Stainless steel Color: Gold/Black Package Contents: 1 x Sink Plug Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.