High Quality: The chrome-plated surface and the adjustable plug-in screw with great hardness. The pop up sink plug replacement is made of copper and stainless steel. They are rustproof, robust and shiny for a long time. Easy Pop-up design: Adopting spring mechanism and screw thread push pop up, just need to push the sink stopper to drain the water quickly. the noble chrome lid shines with extremely smooth surface in your sink. Solid Construction: The plug bolt is made of brass. With durable construction, the solid brass bouncing core has good bounce and rebound strength, and it can seal the sink hole or drain water quickly. Hold Fitting: The drain stopper is suitable for sink with hole in 45mm/1.77inch and drain in 40mm/1.57inch. The cover diameter is 66mm/2.59in. Please insure the hole size before purchase. Easy to Install: The pop-up click clack plug is separable into 2 parts. They can therefore be easily attached and cleaned. Insert the sink plug stopper into the sink hole and then rotate it to fasten with the plug bolt (16mm).