• Optional large bit chuck for models XP and 500X.
  • Direct replacement for 750X.
  • Holds bits from 3/32-3/4 inches
  • This chuck will NOT fit models 350X, SB, or any Classic Drill Doctor sharpeners.
  • Optional large bit chuck for models XP and 500X.
  • Direct replacement for 750X.
  • Holds bits from 3/32-3/4 inches
  • This chuck will NOT fit models 350X, SB, or any Classic Drill Doctor sharpeners.

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