✓【NO LONGER GET CLOGGED】There is a detachable drain strainer in our basin pop-up drain pipe to catch hair, dirt and jewelry and prevents the drain from clogging up. ✓【HUMANIZED SINK DRAIN STOPPER】Its drainage speed is 10% faster than the traditional. No lifting lever is required, just press the stopper to seal or drain. ✓【304SS TOP SURFACE+ABS&PP BODY】The top surface of drainer is made of high quality 304 stainless steel with a multi-layer matte black finish. Bottom pipe is made of PP and ABS. This combined structure not only resists rust, but also resists corrosion and cracking. ✓【STANDARD 1 3/4" DRAIN OPENING】Ideal for any standard vessel sink or undermount sink with OVERFLOW. Suitable for sink holes from φ1.6 inches to φ1.97 inches (40mm-50mm). ✓【TOOL-FREE INSTALLATION】You can install this sink drain kit by bare hands within 3 minutes due to its simple construction. Make sure that the rubber gasket is in the correct position to avoid leakage.