I have carried this pen several years through airport security. Many times they tell me it's a kubaton and try to take it away I reply that it is a black ink pen. I inform them that I like a pen that doesn't break and is waterproof. I never use the word tactical. I realize it will probably be taken away at some point. Funny thing is a flathead screw driver is perfectly fine to take as long as its 7 in or less.
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