Sharp objects & tools: what you can bring on a plane
Razors, scissors, knives, needles and tools: what fits the carry-on limits. 16 items. Not allowed in carry-on: knives, pocket knives and swiss army knives, razor blades and straight razors.
| Main limit | |||
|---|---|---|---|
| Razors | With limits | Allowed | Cartridge razors and replacement cartridges: allowed in carry-on |
| Nail clippers | Allowed | Allowed | Nail clippers: allowed in carry-on and checked |
| Disposable razors | Allowed | Allowed | Carry-on: allowed |
| Knives | Not allowed | Allowed | Carry-on: no knives of any blade length |
| Tweezers | Allowed | Allowed | Tweezers: allowed in carry-on and checked, no size limit listed |
| Umbrellas | Allowed | Allowed | Umbrellas: allowed in carry-on and checked |
| Scissors | With limits | Allowed | Carry-on: blades less than 4 inches (about 10 cm) from the pivot point |
| Pencil sharpeners | Allowed | Allowed | Pencil sharpeners: allowed in carry-on and checked |
| Tools | With limits | Allowed | Carry-on: 7 inches (about 17.8 cm) or shorter, measured end to end when assembled |
| Pocket knives and Swiss Army knives | Not allowed | Allowed | Carry-on: no pocket or Swiss Army knives, any blade length |
| Razor blades and straight razors | Not allowed | Allowed | Loose razor blades / blades not in a cartridge: checked bags only |
| Knitting needles and crochet hooks | Allowed | Allowed | Knitting needles and crochet hooks: allowed in carry-on and checked |
| Safety pins | Allowed | Allowed | Safety pins: allowed in carry-on and checked |
| Corkscrews and wine openers | With limits | Allowed | Corkscrew with no blade: allowed in carry-on and checked |
| Multi-tools | With limits | Allowed | Knife blade of any length: checked bags only |
| Sewing needles | Allowed | Allowed | Sewing needles: allowed in carry-on and checked |
Rulings are for US flights (TSA and FAA). Open an item for limits, tips and international differences.
Guides on this topic
What can't you bring on a plane? Prohibited items by category
Items not allowed on a plane, sorted by rule: carry-on bans like knives and bats, checked-bag bans like power banks, and items banned from every bag.
Carry-on packing list: a TSA-friendly checklist by bag area
A carry-on packing list by bag area: liquids bag, electronics, medication, documents, food and small sharp items, with what to move to your checked bag.
What can't go in checked luggage? Carry-on-only items explained
Power banks, spare lithium batteries, vapes and lighters must fly in the cabin. Why, the limits, laptop rules and what to do if your bag is gate-checked.