voton black bathroom sink drain with overflow bathroom pop-up drain with detachable basket stopper, anti-explosion and anti-clogging drain strainer voton <p> product features: <br> 1. anti-clogging:with basket, easy for cleaning <br> 2. easy to operate:spring loaded push button does not require a lift rod. simply push the drain cap down to close and to seal, push again to open and to drain water. <br> 3. no gluing needed:stepped gasket instead of glue <br> <br> size: <br> total height (pop up open): 8.46 inches (215mm) <br> sink hole size: 1.57-1.9 inches (40-48 mm) <br> max. sink thickness: 1.97 inches (50mm) <br> tailpiece: φ 1.25 inches (32mm), 4.7 inches (120mm) in length <br><br></p>