The Robert Sorby® ProEdge™ Long Grind Jig is used in combination with the ProEdge Deluxe Sharpening System (#839294, sold separately) to produce three different profile types on bowl and spindle gouges. This jig moves the pivot point further from the belt, increasing the length of the fingernail wing. Use the Long Grind Jig to produce a fingernail profile, long grind, or an extra long grind, depending on the location of the hole used with the profile arm. The outmost position yields the popular Ellsworth grind.

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