Viking Nature Magnesium Alloy Emergency Fire Starter Blocks (2 Pack) MULTI-FUNCTION: 2 x thick metal strikers / bottle openers - strikers are more comfortable to use and produce easier sparks then other CREATE FAST FIRE: Create fire anywhere in seconds with Magnesium Alloy Fire Starters - showers of sparks with each strike DURABLE: 2 x magnesium alloy blocks 3" x 1.2" x 0.35'' (7.6 x 3 x 0.9 cm) with built-in flints Suited for hunting,fishing,hiking,camping and other outdoor activities,also good for emergency survival tool LIFETIME WARRANTY: This product is covered by Viking Nature Lifetime Warranty