Quality and Corrosion Resistant: These pop up sink stopper parts are made of quality brass, sturdy and corrosion resistant, not easy to rust and reliable to use, which will provide you with a long service life and you you can use them with confidence Widely Applicable: As a replacement part, the pop-up bathtub stopper can be widely applied to most sinks, basins and bathtubs, which will bring you a pleasant experience in your daily life, solving many problems Beautiful spring design: With spring mechanism and threaded spring spring, the pop-up sink stoppers can work well, and the water will come down quickly by gently pressing the stoppers, which will bring you a pretty convenience Size details: the open height of the basin stopper is approx. 37.5 mm/ 1.48 inch, closed height measures approx. 28 mm/ 1.1 inch and the overall height is about 54.7 mm/ 2.15 inch; And it has M8 top screw and M16 bottom screw; Please check the size before purchasing Easy to install: the click clack plug is easy to install; Many installation videos are available on the website installation reference, which will save your time and effort