What knives are TSA approved?

Knives, except for plastic or round-bladed butter knives, are not allowed in carry-on bags. For more prohibited items, please go to the 'What Can I Bring?' page. The final decision rests with the TSA officer on whether an item is allowed through the checkpoint.



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However, here are some general examples of knife restrictions from popular airlines and countries: TSA in the US allows knives with blades that are 2.36 inches (6 cm) or less in length in carry-on baggage, but any knife with a fixed blade or locking mechanism is prohibited.

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In the United States, the TSA allows certain knives to be carried on planes, but only if they are less than 2.36 inches in length. These are known as “hobby knives” or “folding knives” and are allowed in your carry-on luggage.

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TSA rules are clear, knives of any size or kind are not allowed to be carried on planes. The only way you're getting it on is in a checked bag, or if the agents miss it during screening.

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In general, you are prohibited from traveling with sharp objects in your carry-on bags. Multi-tools (multipurpose tools) with knives of any length are prohibited. Please pack these items in your checked bags. Multi-tools (multipurpose tools) with scissors less than 4 inches may be placed in carry-on bags.

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It is illegal even to take a forbidden object to a checkpoint, much less take it on a plane. (For a list, visit www.tsa.gov.) Doing so can subject you to civil fines of up to $10,000, plus possible criminal prosecution.

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Disposable razors, replacement blades, and electric razors can go in either your carry-on or checked baggage; if you have a safety or straight razor, you can pack it in your carry-on — but you must remove the blades first and pack them in one of your checked bags.

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TSA allows bringing nail clippers on planes. You're allowed to pack them in hand and checked baggage without any packing restrictions. They're considered harmless because the blade on them is too short to successfully be used as a weapon.

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Any sharp objects in checked baggage should be sheathed or securely wrapped to prevent injury to baggage handlers and inspectors. For more prohibited items, please go to the 'What Can I Bring?' page.

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In general, you are prohibited from traveling with sharp objects in your carry-on baggage; please pack these items in your checked baggage.

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Some items regularly confiscated by TSA include keychain knives, pocket knives, and shampoo or sunscreen in bottles that exceed 3.4 ounces. When these items are found by a TSA agent, they're quickly removed. If this happens, travelers aren't out of options.

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TSA makes every effort to reunite passengers with items left behind at the airport checkpoint. Lost and found items retained by TSA for a minimum of thirty (30) days, and if not claimed, are either destroyed, turned over to a state agency for surplus property, or sold by TSA as excess property.

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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.

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The bottom line: To play it safe, always fly with your Leatherman in checked baggage. Your Leatherman multi-tool has been by your side through lots of adventures and has helped you save the day. But for your upcoming plane trip, the best thing to do is to plan on putting it inside your checked baggage.

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Nail clippers are also allowed on planes, according to the Transportation Security Administration (TSA). You can pack them in both your carry-on and checked luggage. Similar to tweezers, it's a good idea to wrap your nail clippers or place them securely in a bag to avoid injury to others handling your luggage.

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