Widely Used: Widely suitable for sink and bathtub flush plugs, the screw can achieve a good ejection effect. Material: Made of high-quality materials, spring mechanism and screw push button, it is not easy to rust, light weight, corrosion resistant, with a certain texture, not easy to deform Structure: This replacement screw is used as a replacement part for the basin pop-up stopper, the top and bottom of the product have a spiral structure, the spiral device can firmly fix the product and the sink. Easy to install: simple operation, quick installation and disassembly, saving time and labor. Brass pop-up valve screws can meet the needs of your daily life. Strong applicability: The brass pop-up bolt is used as an alternative part of the bathtub pop-up stopper, which is suitable for most bathroom sinks, sinks and bathtubs.