[Product Dimension] Our drain plug is suitable for overflow holes with a diameter between 34 and 38 mm. Please check the dimensions beforehand. [Easy Installation] The sink drain can be installed easily without using tools due to the simple and practical structure. [Anti-Clogging Sink Filter Strainer] You can easily unscrew the plug and take hair and small things, it prevents the water pipe from clogging. [Excellent Material-Aesthetics] Our click clack drain is made of stainless steel and pure copper, and it is chrome-plated, effectively protects against rust, including double silicone seals, preventing water leakage. [Wide Use] The drain plug can be used in the bathroom for sinks and bathtubs, as well as for the bidet.