Cutter #1 cuts gears from 135 teeth into a rack. Cutter #2 cuts gears from 55 teeth to 134 teeth. Cutter #3 cut gears from 35 teeth to 54 teeth. Cutter #4 Cuts gears from 26 teeth to 34 teeth. Cutter #5 cut gears from 21 teeth to 25 teeth. Cutter #6 cuts gears from 17 teeth to 20 teeth. #7 cutter cuts gears from 14 teeth to 16 teeth. Cutter #8 cuts gears from 12 teeth to 13 teeth.