esfort bathroom sink pop up drain with overflow, sink pop up drain stopper, polished chrome esfort <b>this push pop-up drain assembly in chrome with overflow holes is an easy weekend diy project. you can count on our bathroom sink pop up drain reliability throughout the home. </b><br><br> <b>features: </b><br><br> includes overflow holes<br> for use with lavatory sinks with built-in overflow drain holes<br> tailpiece chrome-plated for all finishes<br> all rubber gaskets included for easy installation<br><br> <b>how to install to avoid leakage: </b><br><br> <b>1. under the sink between the drain threading and edge of sink, you can fill in the gap with plumbers putty to help as a seal. </b><br> <b>2. on the pipe threads for the main washer you can put in pipe tape. this is the key fix. we recommend everyone take this step to avoid leakage. you should also put pipe tape on the threading for the removable lower section. </b><br> if any concerns during installation, please feel free to contact us. we will respond to you within 24 hours and will try our best to solve the problem. <br><br> <b>specifiction: </b><br><br> height (pop up open): 8.46 in.(215mm) <br> diameter at top: 2.6 in.(66mm) <br> diameter at bottom: 1.25 in(31.75mm). <br> drain hole size requirement: 1.62-1.9 in. (41-48 mm) <br> product weight: 325g<br><br> <b>package includes: </b><br><br> 1 x pop up drain stopper assembly