Can You Bring a Tool Kit on a Plane? (TSA & Airline Rules — 2025)

Quick Answer
⚠️ Tool kits are allowed, but rules depend on the tools inside:
✅ Tools ≤ 7 inches (18 cm) like small screwdrivers, pliers, and wrenches may go in carry-on.
❌ Larger tools (hammers, saws, drills, crowbars) are prohibited in carry-on.
✅ All tools are permitted in checked luggage, but sharp items must be secured.


Details

  • Carry-on:
  • Small tools ≤ 7 inches (screwdrivers, pliers, wrenches) allowed.
  • Larger tools (> 7 inches) must go in checked.
  • Sharp or dangerous tools (saws, drills, axes, crowbars, hammers) banned from cabins.
  • Power tools not allowed in carry-on.
  • Checked luggage:
  • All tools allowed, including power tools and large tool kits.
  • Lithium batteries for cordless tools must be removed and carried in cabin bags.
  • Special kits:
  • Compact bicycle repair kits with small tools are generally fine in carry-on.
  • Knife blades, razor blades, or box cutters inside a kit are prohibited in carry-on.

TSA Tool Kit Rules Summary

Tool / Item TypeCarry-OnChecked
Small tools ≤ 7 in (screwdrivers, pliers, wrenches)✅ Allowed✅ Allowed
Large tools > 7 in❌ Not allowed✅ Allowed
Sharp tools (saws, drills, crowbars, hammers)❌ Not allowed✅ Allowed
Power tools (without battery)❌ Not allowed✅ Allowed
Lithium batteries (cordless tools)✅ Carry-on only❌ Not allowed

Gotchas / Common Issues

  • ✈️ Mixed kits flagged: TSA inspects tool kits closely; any prohibited tool in a kit can cause delays.
  • ✈️ Battery rules: Lithium-ion tool batteries must always go in carry-on.
  • ✈️ International flights: Some countries are stricter, banning all tool kits from cabins.
  • ✈️ Best practice: Only pack small hand tools in carry-on, and check the rest.

Sources