Study the following. The razor is 0.760 inches wide and despite being a sacrificial Pak & Stan Brothers POS, has not been altered in any manner. It remains an intact razor like object. The third photo clearly shows 1.060 inches.
Attachment 71144Attachment 71145Attachment 71146
Yes, your knowledge of physics is somewhat in arrears. Consider another process of magnetizing and demagnetizing a piece of steel by exposing to another magnet's poles. Another magnet is all that is housed inside this cute blue plastic box.
What was that you were saying about how a razor won't fit into the holes? Is it possible for me to describe this device any more adequately? Otherwise I'll leave you to your doubts.