687010 and 687011 used with RC6, RZ2.5, RZ6, RZ9 662511 is used with RC6, RZ2.5 and RZ6 662518 is used with RZ9 698000 is used with RZ2.5 698003 is used with RZ2.5 and RZ6 698007 and 698017 is used with RZ9