NERRAD SPARE CUTTING WHEEL INOX NT4267/4276. Nerrad Spare Cutting Wheel Inox NT4230/4235/4245 NT6001-3. The spare cutting wheel for the ratchet action tube cutters NT4023, NT4028, NT4035 and NT4067. Spare cutting wheel for the ratchet action tube cutters NT4023, NT4028, NT4035 and NT4067.