Toilet Tank To Bowl Coupling Kit Compatible For American Standard Champion 4 Feature:Our toilet tank gasket kits feature a specially designed material and shape to prevent leaks, with sponge rubber washers that offer superior non-slip performance. The tapered bolts ensure a perfect fit in your toilet water tank, and the long-lasting rubber gasket material is easy to clean. Durable construction:Our toilet repair kits are made from high-quality materials to ensure durability and reliability. A sponge rubber gasket provides a secure seal around the bolt, while a stainless steel metal gasket adds an extra layer of protection against leaks. Rust- and corrosion-resistant brass bolts ensure long-lasting performance. Material:The full set of gaskets in our toilet repair kits are made from high-quality materials to ensure durability and prevent leaks. The sponge rubber gasket is less likely to break in the toilet tank and provides a secure seal around the bolt, while the stainless steel metal gasket adds an extra layer of protection against leaks. Brass bolts are rust and corrosion resistant, ensuring long-lasting performance. Easy installation:This American Standard Parts Provides A Long-Lasting Solution To Common Toilet Tank Problems. Package Include:1 x 3'' green washer,1 x white washer,1 x black ring,2 x long toilet tank bolts,2 x hexagonal nuts,2 x Black locking rings.The product just like picture shows.