MT 5 Jacobs 18N 4JT Drill ball bearing superchuck chuck 1 8 3 4 16539

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  For sale is a MT#5 Jacobs 18N, 4JT Drill ball bearing superch;
  1/8-3/4"; 3-19 mm .

  It has laser engraving on it, I have  never seen them like that,
  I suppose that it is pretty new!