Forcing a Patina on Spyderco Knives with K390 Steel
Let’s say there are some Spyderco Knives in your collection that have K390 steel blades, such as an Enuff 2. This is a great steel and one that is very…
About the K390 Steel of Some Spyderco Knives
Some Spyderco knives, like the Paramilitary 2, Dragonfly 2 and Delica 4, are made with a really unique steel alloy called K390, sometimes referred to as K390 MICROCLEAN. But what…