Jacobs Rubber Flex Collet Chuck for South Bend Lathes 1 3 8 Cap 12219

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  For sale is a Jacobs Rubber-Flex 1-3/8" Diameter Capacity Collet
  Chuck.  2-1/4" Threaded back plate to fit South Bend Lathes with
  2-1/4" threaded spindle noses.  This collet chuck operates smoothly;
  opening and closing correctly.  The nose-piece is easily removed
  for collet changes.