Diamond Plate Stone Sharpening Whetstone Polishing Sharpener 80-3000 Grit. Diamond coated material is more efficient than normal whetstone. Grit : 60 -- 3000Grit ( 80, 120, 150, 180, 240, 320, 400, 600, 800, 1000, 1200, 1500, 2000, 2500, 3000).
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