Review on OMEX Square Center Finder for Precise Centering by Jamie Rogers

Product does not work because the center line is offset 1/32 inch. I drew a line and then rotated the circle 180 degrees and drew another line. Basically I drew the center line from bottom to top and then top to bottom, so I should end up with two identical semicircles. If it worked properly I should have only had one line, and I had two! The two lines were separated by 1/16 inch. It sucks when you don't even know how to make a measuring tool properly. In the picture, the left line is when the big end of the tool was up. The line is on the right if the big end was down.