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Auto rotating diamonds, grit size 200 + adjustable Tuning-File handle.
Sharpening by grinding, especially for edges hardened on the surface (hardened by stones or caused by a too heavy machine sharpening).
The diamond disks rotate automatically by the backwards and forwards movement along the edge. This patented system has three advantages:
Through rotation, there is no wear of the diamond in grooves with the risk of rounding the edges.
The grinded does not clog the diamond.
Grinding is three times quicker.
The Roto-Finish is fixed to the Tuning-File handle. They are available in 4 grit sizes and are supplied with 2 self- adhesive replacement diamonds.
Use of grit size 200 ideally needs finishing with grit size 400.
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