The Danco Toilet Tank Repair Kit has everything you need to replace the Fill valve, Flapper, Ball Float Rod, and Ball Float. This toilet repair kit helps repair common toilet issues that cause water leaks. Repairing your toilet Fill Valve will save water and will save you money on your water bill. This toilet repair kit will hold up in everyday use and the basic design will fit most toilets. The fill valve height is about 8.5 inches from the bottom of inside the tank. The length of the brass rod is 7.75 inches and the length of the float is 5.5 inches. When the brass road is threaded into both the float and threaded into the fill valve, the total length of the rod and float ends up being about 11.75 inches. The flapper is designed to fit 2 in. flush valves.