The screw is made of stainless steel and nylon, not easily deformed, reliable use. It easily attach and detach. Enough for you replace the old or broken ones. Universal toilet lid accessories, convenient to use. Features - Color: Assorted. - Material: ABS, stainless steel, nylon. - Size: About 6.30X1.10X0.61cm/2.48X0.43X0.24inch. - Made of quality material, which are not easy to deform or break, and will not rust like metal bolts, and are more wear-resistant, can serve you for a long time. - Fitting well for most toilets. The toilet seat screws kit will make your life better, don’t have to worry about improper size. - Just use the tools you have, replace the worn bolts and nuts, install the fresh ones and tighten them. - Only a few simple steps, these toilet seat bolts will make everything in your life easier and more convenient. - Easy to install and unload, and easy to use. A strong, reliable and robust fixing kit designed for toilet seat fixings. Package list: 4 x gaskets 4 x top screw nuts 4 x bottom screw nuts