The Camels are adding "E-Z LOK Drive Tool - Optional - Use with 329-4, 329-401, 329-428, 303-4, 303-428, 319-4, 319-428, 335-4, 450-6, 550-1420, 650-6, 400-4, 400-428, 400-M6 B002091LQG" to your Amazon cart. You will have the option to confirm this on the next page.