Swiss Army Knife / Multi-Tool is not allowed in carry-on bags through TSA security, but you can pack it in your checked luggage. Swiss Army Knife / Multi-Tool is not allowed in carry-on bags — Any attached blade is prohibited. Multi-tools with blades are not allowed in carry-on regardless of blade size. TSA officers have the final say on what is allowed through the checkpoint. If you are unsure, check the TSA website or ask an officer at the airport.
Sharp objects like knives and razor blades are generally prohibited in carry-on bags but may be packed in checked luggage when properly sheathed. Scissors with blades shorter than 4 inches are allowed in carry-on bags.
No, Swiss Army Knife / Multi-Tool is not allowed in carry-on bags. Any attached blade is prohibited. Pack it in checked luggage instead.
Yes, Swiss Army Knife / Multi-Tool is allowed in checked baggage. Pack it securely to prevent damage.
If Swiss Army Knife / Multi-Tool is found in your carry-on, TSA will ask you to surrender it, return it to your vehicle, give it to a companion, mail it to yourself, or place it in checked luggage if time permits.
TSA rules apply at U.S. airports regardless of destination. However, your arrival country may have different import regulations for Swiss Army Knife / Multi-Tool. Check the customs rules of your destination before packing.