The product includes a laser beam pointer used for precision dynamic balancing by reflecting the laser off of the mirror surface of the flywheel and adjusting counterweights to reduce the scanned laser circles to a point.
"Quite easy to use. Within only about 10 minutes I had it downloaded, installed, and had designed and priced a brass cog with 32 teeth, 1 inch in diameter and 1/4 inch thick. The quote was immediate."