Sharpening stone (abrasive grinding wheel) for slicers, size 45 × 8 × 8 mm (diameter × thickness × centre hole). It is the wear part of the built-in sharpener unit that restores the edge of the circular blade. For Ironweed and Van Dall slicers (model Mark S35, ref. G1066) and compatible models. Fine grit: it finishes the cutting edge and refreshes the blade's sharpness — to be used after the coarse-grit stone for a clean cut. Replace the stone when it is worn, glazed or no longer bites. Check the three dimensions (diameter, thickness, hole) on your machine: they determine compatibility regardless of the brand.