✔Premium－The basin pop-up bolt is made of solid brass, which is rust-proof and durable. It can bounce more than 100,000 times and has a long service life. ✔Dimensions－Top thread: M8, bottom thread: M16x1.5, pop-up height: 38.5mm, closed height: 28mm, total height: 58.3mm. Suitable for most basin sinks in life. ✔Easy to Install－The upper and lower ends of the bolts are in a spiral structure, which is simple to install and easy to use; the spiral device can make the product and the sink firmly inlaid. ✔Easy to Clean－The slotted bolt set is removable, and the polished brass surface is smooth and non-marking, and it is not easy to leave dirt. Very convenient to clean. ✔Application－Widely used in homes, hotels, bathrooms, toilets, as well as most sinks, bathtubs, washbasins, drain plugs, whether it is home or business, it is the best choice.