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It is a factory made 1x42 grinder, I still use it, but not with the curved platen.

Charlie

I think filing and hacksawing the tang would not be that hard. Filing the hollows would be a bear but is doable.

file a triangle/wedge
hollow out, filing lengthwise with a half round file
...

16 degrees plus minus a degree or two is a good angle for cutting hair.

Charlie