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Tough bolster!
I'm engraving a knife bolster (was a kit, don't have a name, brand, or make). The metal is very hard to engrave. Instead of a nice, shiny curl, I'm getting an irrregular curl, very ragged. The metal being removed almost seems to be grainy or powdery. I'm guess it's a hard stainless of some sort. I'm using a square graver with a 50 face, and 20 heal. Any idea as to what the metal may be, and if I should change the graver angles?
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