Made of high quality stainless steel, it is thick and more durable Designed in smooth shape with 20 small holes, keep the water in the sink when the product fits perfectly with the sink. Lifting the product a little can filter the residue and let the water flow out. With an outer diameter of 78mm, it is suitable for the sink diameter of 78-80.3mm Before purchase, please make sure your sink size is compatible with this 78mm strainer stopper The center pin is consistent with the hole size, but we just need to disassemble the center pin. Please see the second image on the product page.