The UST SparkMax 1.0 is a fire starting multi tool that works even in the most adverse weather conditions. This all in one survival tool includes a compass, a striker bar, a flint bar, a serrated edge to scrape tinder shavings, and a ball chain for easy accessibility. Flint bar. Striker bar built into screw off cap. Serrated edge to scrape shavings off a magnesium bar try the UST MagBar. Compass liquid filled for accurate readings. Ball chain lanyard for attaching to gear for easy accessibility. Size: LxW 5.2 x 0.6 in 130 x 16mm. Wt. 2.4 oz 68g.