5 inches long and 1/2 inch diameter. Huge ferrocerium rod/ferro rod/ firesteel/ man made flint and steel, fire starter.
The ferro rod is 1/2 inch in diameter and 5 inches long. Scrape this ferrocerium with hard piece of metal that has a sharp 90 degree angle and watch big sparks fly. Use the back of your knife or any sharp object that is harder than the ferro rod.
