CTA Tools 2248 Harmonic Balancer Installer Kit Services GM, Ford, Chrysler, Nissan and others 12 adapters, including: 7/16-20, 1/2-20, 9/16-18, 5/8-18 Also includes adapters 3/4-16, M10-15, M12-175, M14-15, M14-20, M16-15 and M16-20