Hand Tools

where toughness is important.

David Weaver
prying devices, and knife tips, and probably screwdrivers (which people use as prying devices).

I'd guess that the reason mid century carpenter's chisels went to something like 0.5-0.6 carbon is because steel in that range is ultra tough. It doesn't hold a fine edge, but if you hit a nail with it, it just forms to the shape of the nail (rather than breaking out drastically). If you open a paint can with it, generally, the edge bends.

when it comes to the knife community and their preference for toughness, the reason that they like it (prying with knife tips, for example, or striking the back of a knife with a hammer) is for things we don't do.

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