Reddit reviews UST Ultimate Survival Technologies Micro SparkWheel Mini Flint Striker Fire Starter
We found 1 Reddit comments about UST Ultimate Survival Technologies Micro SparkWheel Mini Flint Striker Fire Starter. Here are the top ones, ranked by their Reddit score.
Made of durable, high-quality brassIncludes three replacement flints in a compact, waterproof tubeAdjustable tension spring ensures a hot spark every time
Maybe if they are bad quality. Good ones pretty much never wear out. Even assuming they wear out, gram-for-gram a spare pizeo sparker will outlast an 18650. Though the peak for weight/longevity would probably be the UST Micro Sparkwheel.