Can You Bring a Multi-tool on a Plane?

Direct Answer (2026 Official Rules)

Cabin: ⚠ LIMITED Hold: ✓ YES

Yes, with limits — you can bring multi-tools in carry-on bags provided you follow security limits. Bladeless multi-tool (pliers, screwdrivers, bottle opener): cabin OK.

Verified against published 2026 TSA (United States) & CATSA (Canada) security screening databases.

On this page · 9 sections

⚖️ Why This Rule Exists: Cabin Security, Blade Restrictions & Sterile Area Integrity

Non-bladed tools under 7 inches (18 cm), blunt items, and general travel gear that do not pose a cutting, impact, or hazardous materials risk are permitted in carry-on luggage.

Decision Threshold: Permitted in carry-on if non-sharp or under legal length thresholds.

Rules by security authority

United States — TSA

Cabin:

LIMITED

Bladeless only. Any multi-tool with a knife blade of any length goes in checked bags.

Hold:

YES

Yes — wrap any sharp edges or blades.

Rule conditions: Bladeless multi-tool (pliers, screwdrivers, bottle opener): cabin OKAny knife blade of any length: checked onlyWrap sharp bits in checked luggageSwiss Army knife is a pocket knife — see its page

Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.

🔍 Security Checkpoint & X-Ray Screening Advice

Place large metal tools in the screening bin alongside electronics if requested by screening staff.

Learn more about scanner differences and traveler rights in our Airport Security Screening Guide →

⚠️ Common Traveler Mistake to Avoid

The Mistake: Assuming scissors or tools of any size are allowed without checking blade length from the pivot point.

How to Avoid It: Measure blade length: must be under 4 inches (10 cm in the US) or under 6 cm from pivot (in Canada).

How to Pack Multi-Tools for a Flight

The Leatherman Wave has sent more travelers to the checked-bag line than any single tool. The rule is absolute: one millimeter of blade and it flies below. Some frequent flyers carry two kits — a bladeless Juice/Style PS for the cabin and the real Wave in the checked bag.

Multi-Tools on a plane — FAQs

Can you bring a Multi-tool in a carry-on?

Bladeless only. Any multi-tool with a knife blade of any length goes in checked bags.

Can you pack a Multi-tool in checked luggage?

Yes — wrap any sharp edges or blades.

Why are there rules for a multi-tool on a plane?

Non-bladed tools under 7 inches (18 cm), blunt items, and general travel gear that do not pose a cutting, impact, or hazardous materials risk are permitted in carry-on luggage.

Last verified: July 29, 2026

Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →