For sharpening all chisels, planes, spokeshaves and knife types, in fact, anything with a cutting edge, diamond plates do it all, they cut steel very fast, stay flat, and they are cleaner than oilstones, natural stones, water stones, man made or naturally occurring all of which need additional paraphernalia with little good reason or advantage....
from Paul Sellers' Blog https://ift.tt/mZpoCx9
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