Quick rules for flying with multi-tool in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
🇺🇸 United States (TSA)
Carry-on
No
Checked bag
Yes
Any multi-tool with a blade is banned from carry-on. Bladeless multi-tools (just screwdriver/file/scissors under 4 in) may be allowed. When in doubt, check it.
Also known as: leatherman, swiss army knife, victorinox
⚠️ Airline rules vary and change frequently. This page summarises common guidance — always confirm with your specific airline before flying, especially for international travel.