Pros: Effectiveness, None
Cons: Durability, Ease of Use, Overall Quality
Not very tough
I have not tried sharpening a knife with this yet, but the flint rod fell off upon first test . Doesn't spark that well, so I had to keep striking harder to get a good spark, upon which the glue (the only mechanism holding the flint to the device) gave way and the flint fell off.The diamond sharpener looks a bit thin and cheesey (like adhesive sandpaper), but I haven't tried to use it yet. Considering the price this is a disappointing product, but it is very small and portable - will fit in the pouch on my survival knife's sheath and does work; for emergencies only, not to be relied upon for regular use.