Cutter No. 1 will cut teeth gear from 135 to a rack. Cutter #2 ground gears from 55 to 134 teeth. Cutter #3 cuts gears from 35 to 54 teeth. Cutter No 4. cuts gears from 26 to 34 teeth. Cutter #5 cuts gears from 21 to 25 teeth. Cutter #6 cuts gears from 17 to 20 teeth. No. 7 scissors cut gears from 14 to 16 teeth. Cutter #8 cuts gears from 12 to 13 teeth.