PREMIUM MATERIALS - Ensuring durability and dependability NECESSARY KIT- Includes everything you need for your Champion tank to bowl coupling AFTERMARKET PART - Compatible American Standard Champion toilet only NO SURPRISE LEAKS - Gasket made from long lasting sponge rubber construction IDEAL REPLACEMENT - Allows you to fix the toilet without replacing the entire toilet Package including: - bolt kit with two 5/16 in. hex nuts - captive washers - speed connect bolts - two grommets - a coupling nut for Fluidmaster - Washer - close coupling washer