uxcell Bathroom Push Button Pop Up Sink Drain 17.5cm Long Color: Black,Silver Tone; Material: Stainless Steel Package Content: 1 x Basin Push Top Drainer; Product Name: Basin Push Top Drainer Total Size: 17.5 x 6cm/6.9" x 2.4"(L*D); Net Weight: 168g Hole Diameter: Inside:2.8cm/1.1", Outside:3.1cm/1.22" Thread Size: 3.4cm/1.3"