1 x CBN 13A grinding wheel. Grinding is accurate and rapid, easy operation with no skill to grind. Grinding Range：ø 3 - ø 13( ø 15). Grinding Wheel :CBN × 1. Eleven Collets: ø 3, ø 4, ø 5, ø 6, ø 7, ø 8, ø 9, ø 10, ø 11, ø 12, ø 13.
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