Robert Sorby Fingernail Profiler Sharpening Jig (445)
The Fingernail Profiler is designed to aid the turner who has difficulty in sharpening his bowl and spindle gouges free hand. Typically problems which recur from free hand sharpening are the appearance of facets on the bevel leading to a less than perfect finish on the project, inconsistent shapes, and the unnecessary grinding away of valuable tools. Facets are caused by differential pressure being applied to the tool against the grinding wheel. The geometry of the Fingernail Profiler ensures that only regular pressure can be applied thereby ensuring a clean, ‘as new’ finish on the bevel every time. By ensuring that the same length of tool is protruding from the jig – and this length may well differ from one tool to another – the same will always be replicated whether the user prefers a long grind, a conventional square grind or anything in between.
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