TTVBR/L : TOPCUT holders for threading & back turning
  Designationhbl1l2fTmax-rGICATGIREMgiic
  TTVBL 1010-4-A 10.0010.0125.0029.05.76.706865549 0
  TTVBR 1010-4-A 10.0010.0125.0029.05.76.706865545 0
  TTVBL 1212-4-A 12.0012.0125.0029.07.76.706865518 0
  TTVBR 1212-4-A 12.0012.0125.0029.07.76.706865517 0
  TTVBL 1616-4 16.0016.0125.0029.011.76.406865546 0
  TTVBR 1616-4 16.0016.0125.0029.011.76.406865554 0
  TTVBL 2020-4 20.0020.0125.0029.015.76.406865534 0
  TTVBR 2020-4 20.0020.0125.0029.015.76.406865533 0
  TTVBL 2525-4 25.0025.0125.0029.020.76.406865553 0
  TTVBR 2525-4 25.0025.0125.0029.020.76.406865542 0

Please keep in your mind selecting right insert