SPI Expanding 5C Collet Kit

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  • Highly effective expansion up to .006".
  • Soft head for easy machining.
  • Heat treated tool steel 5C collet shank, precision ground over all.
  • One piece construction.
  • Head width 1".
  • Kit includes collets No. 1 to No. 4 in fitted stand, range 5/16 - 1-15/16".