KIT GTI-ER-ST : The kits contain a DIN 6499 ER tapping attachment with straight shank and a set of spring collets in various bore sizes.
  DesignationStockDCONMSCSIQtyRange mmGICATGIREMgiic
  KITGTIER11ST16X1504M N/A16.000ER11 43,4,5,6 4500685 0
  KITGTIER16ST20X804 N/A20.000ER16 44,5,6,7 4500689 0
  KITGTIER20ST20X804 N/A20.000ER20 45,6,7,8 4500696 0
  KITGTIER25ST25X805 N/A25.000ER25 56,7,9,11,12 4511350 0
  KITGTIER32ST25X806 N/A25.000ER32 66,7,9,11,12,16 4511351 0
  KITGTIER40ST32X806 N/A32.000ER40 69,11,14,16,18,20 4511353 0

Includes GTI, collets & Wrench