The UST BlastMatch Fire Starter is a unique one-handed flint-based fire starter that generates intensely hot sparks with minimal effort and is ideal for those with an injured or immobilized arm. It can be used in any weather” will last up to 4″000 strikes” and works when wet. It ignites a wide range of tinder” including UST WetFire Tinder (not included) and sparks can be directionally targeted. Flint bar packs down into cap to prevent accidental sparks when not in use. Flint bar also rotates 360 degrees for even wear. The UST BlastMatch measures 4.1 by 1.4 inches (LxW) and weighs 2.3 ounces (65 grams).