stainless steel sink plug strainer. This upgraded version reflects customer feedback and use in real kitchens. It is made from stainless steel, built to resist rust, and designed for longlasting performance. Dual function strainer and plug. Use as a sink plug to fill the basin, or lift the knob slightly to drain while the strainer catches debris. The twoinone design provides convenient control without needing separate parts. Easy to use and assemble. Quick, tool setup in about 10 seconds. To install, unscrew the center shaft and then reassemble the accessories in place. Clear, straightforward operation. Size and compatibility. Outside diameter: 78 mm. Rubber seal diameter: 55 mm. Bearingtorim distance: 30 mm. Suitable for kitchen sink holes measuring 78.3–80 mm. Please ensure the sink strainer plug diameter matches our product before ordering. Important compatibility note. Verify the sink hole size and the diameter of your existing strainer plug to ensure a proper fit. Use scenarios. Filling and soaking: plug the sink to fill with water for washing produce or presoaking dishes. Draining with debris capture: drain water while the strainer catches food particles and other residues. Regular kitchen maintenance: convenient plug when not draining, with reliable debris filtration during use.