Standard 1.6" Drain Opening: Fits sink holes from 1.9" to 1.9". MAX. Sink thickness: 2". Ideal for any sink without an overflow. Material Types: Pop-up drain stopper, drain flange, brass threaded pipe, stainless steel tailpiece. All metal construction for maximum durability. Cutting-edge finish resists corrosion and rust. Easy to Use: Spring-loaded push button does not require a lift rod. Simply push the drain stopper down to close and secure, push again to open and drain water. You can turn the top cap counterclockwise to unscrew and remove. Easy to Install, No Leaks: All gaskets, seals, and brass mounting nuts are included. Please ensure the seals are in the correct position (please refer to product images or instructions) to avoid leaks. Dimensions: Total length from top of pop-up cap to tailpiece end: 21.5cm. Top diameter: 6.6cm. Tailpiece fitting diameter: 3.2cm. Size: Big Popup Cap | Color: Black Features: Plug Material: Brass. Tailpiece Material: Stainless Steel. Finish: Matte Black. Overflow: No. Drain Type: Spring Loaded. Total Height (Unfolded): 215 mm. Diameter at Top: 66 mm. Required Sink Hole Size: 41-50 mm. Maximum Load: Sink Thickness: 50 mm. Tailpiece Diameter: 32 mm. Product Weight: 303 g. Package Included: 1 x Pop Up Drain Plug. Get Very Rich