Three stages of grinding
    • STEP 1 (hole #1). Use a coarse diamond whetstone with high grinding ability to scrape off worn cutting edges.
    • STEP 2 (hole #2). Use a ceramic whetstone and thin the cutting edge to improve sharpness.
    • STEP 3 (hole #3). For finishing, use a thin ceramic whetstone to smooth the tip of the blade.
    Parameters:
    • length: 13.8cm
    • width: 5.1cm
    • height: 5.7cm
    • abrasive material: ceramic

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