NOT JUST A BIT - It's an "adjustable" mouth bit!!
Brand New design! Patent #6449930
No more mistakes in buying the wrong size, less to have hanging around on your tackroom wall.
This innovative new bit adjusts to precisely fit any size mouth from 4-1/2 " to 5-3/8". Simply twist the shanks in opposite directions and the bit size increases or decreases. No tools required. A simple concept that works.