Flint spark lighter

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A flint spark lighter (sometimes just called a spark lighter, striker, or flint lighter) is a type of lighter used in many applications to safely light a gaseous fuel to start a flame. It is most commonly used for bunsen burners and oxyacetylene welding torches.

A flint spark lighter works by rapidly rubbing a small piece of ferrocerium against a rough steel surface (also called the rasp), in much the same way flint and steel are used. This manual rubbing action, done by squeezing the handle, creates a spark which then lights the gaseous fuel.