Since this came up, I thought I'll post my research for benefit of the community. I no lawyer and you can't argue with a stubborn post office clerk (best is to find another one). I have had San Francisco post refuse it, but Milpitas and Fremont accepted it when I explained the blade was very secure.
As the rules read it is NOT illegal to ship knives in the mail, provided you take adequate precautions in packaging it securely.
Publication 52, section 44 onwards of USPS talks about knives in mail. Nothing here indicates it is illegal to ship knives, as long as they are shipped securely (additional restrictions on switchblades). Here is a link: http://pe.usps.com/text/pub52/pub52c4_013.htm
However, I may be wrong, and if that is so, would like to know about it ASAP.
-Amarendra
As the rules read it is NOT illegal to ship knives in the mail, provided you take adequate precautions in packaging it securely.
Publication 52, section 44 onwards of USPS talks about knives in mail. Nothing here indicates it is illegal to ship knives, as long as they are shipped securely (additional restrictions on switchblades). Here is a link: http://pe.usps.com/text/pub52/pub52c4_013.htm
However, I may be wrong, and if that is so, would like to know about it ASAP.
-Amarendra
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