Gerber Maxwell HET trip lever bone. This lever comes with the nut to hold it onto the tank. Note that the nut that holds the lever on is reverse thread. Also this lever is for a left hand tank, which means it will be on the left hand side when facing the toilet. This lever replaces 99-024-25. Other part numbers are G009984125, 009984125, 9984125, 99-841-25, G009902425, 009902425, 9902425.