Rolling Knife Sharpener Replacement Discs, Rolling Knife Sharpening Kit Replacement Head, Diamonds Discs for Kitchen Knives (Metric Thread: M12)-Diamond 1000#/Ceramic 3000# (2 Pcs)
£15.99M12 (12mm). Please remove your roller whetstone grinding disc before purchasing and measure the diameter of the screw interface clearly. Avoid situations that lead to mismatches.