Universal dimension - This sink evacuation is a universal stainless steel spring core product that can be used in different types of sink drains. Suitable for drainage holes with an inner diameter of 1.08 'to 1.96' (25mm -50mm). Just remove the old jump core and install a core. Due to its simple structure, everyone can establish a drilling drainage. If you want to use it for larger sink diameters, you can use our rubber ring included to increase the inner diameter of the sink plug. This sink filter is mainly made of high quality stainless steel and rice. It is resistant to passing, crack and explosion protection. One piece. Good flexibility, fast sealing and drainage with just one touch. Bathtubs, bathrooms and kitchen sinks and so on. Suitable for. If you are not sure, please us for dimensions and measure the diameter of the evacuation before purchase. Our customer team is always at your .