Standard 1 3/4" drain: fits sink holes 1.57" to 1.9" in diameter. Maximum sink thickness 1.97". Perfect for any non-overflow countertop sink. SOLID METAL CONSTRUCTION: Pop-up drain plugs are made of high quality type 304 brass and stainless steel to resist corrosion and rust in wet environments. Ease of use: spring-loaded buttons eliminate the need for a lifting lever. Simply push the drain plug down to close and seal, and push it up again to open and drain the water. You can unscrew and remove the top cap by turning it counter-clockwise. Easy installation, no leaks: includes all necessary gaskets, seals and brass mounting nuts. Make sure the seal is in the correct position (see product image or description) to avoid leaks. Scope of delivery: 1 retractable drain valve, 6320032mm, black
