Tools · Basics · 1.21
How to Make Flint and Steel
One iron, one flint, and you carry fire in your pocket. Flint and steel is the key to the Nether, the fuse on your TNT, and the quickest campfire light there is.
The recipe
Iron ingot top-left, flint one slot diagonally below it.
What it lights
Nether portals
Right-click inside a 4x5 obsidian frame to open the portal.
TNT
Lights TNT directly, starting the fuse instantly.
Campfires
Relights a campfire and lights candles.
Flammable blocks
Sets fire to wood, wool, leaves and other burnables.
Getting the flint
Flint drops from gravel, about one in ten blocks. Dig with a Fortune shovel to raise the odds, all the way to a guaranteed drop at Fortune III. Iron you smelt at a furnace.
Good to know
64
uses before it breaks (more with Unbreaking)
A fire charge is the throwable, dispenser-friendly one-use alternative.
Quick answers
Smelt the iron at a furnace, then look up flint, gravel and flint and steel on the items database or grab the recipe on Astroworld crafting.