High-quality material: This kitchen sink strainer stopper is made of high-quality stainless steel, with excellent workmanship and durability. Smooth design: Our strainer stopper is designed with a smooth shape and has more than 20 holes, which can effectively filter waste and residue and let water flow. Size - 84mm: The outer diameter of the kitchen sink strainer is 84mm. The rubber seal is 53mm in diameter and the bearing to the edge is 30mm. You can view image 2 and image 3 for details. Note: Before placing an order, please confirm that the hole diameter of your sink is 84-85mm! ! ! Easy to use: Our sink strainer stopper is easy to disassemble and assemble. 10 seconds is enough, just follow the guide to unscrew the center shaft first, and then assemble the accessories together. You can view image 4 for details. Note: Before purchasing, please measure the diameter of the sink hole first to avoid ordering the wrong size. If you don't know how to measure the sink, you can send us an email and we will teach you how to choose the right size.