Easy to install: This product is easy to disassemble and install, and the structure is simple and not easy to damage Material use: The torsion spring is made of high-quality 304 stainless steel wire, durable and full of elasticity Push torsion bar design: Press the torsion bar with a total length of 10CM, which can be rotated, elongated and shortened, and can also be shortened by itself, which is easy to adjust Electroplating technology: Using high-end electroplating technology, multi-layer electroplating process, high brightness and ultra-smooth surface, long-lasting Please check the size of your toilet lid hole before buying, our toilet button can be compatible with most double flush toilets with 38mm hole in the tank cover