TTBN : Tool blocks for parting and grooving blades
  DesignationB1h1hh4H2L3LbA1GICATGIREMgiic
  TTBN 16-26 26.021.016.0012.038.04.0087.0015.029.002300135 0
  TTBN 20-26 26.021.420.008.038.04.0087.0019.033.002300028 0
  TTBN 25-26 26.021.425.003.038.04.00110.0020.034.002300118 0
  TTBN 20-32 32.024.820.0013.048.05.50100.0019.035.002300029 0
  TTBN 25-32 32.024.825.008.048.05.50110.0020.036.002300032 0
  TTBN 32-32 32.024.832.003.048.05.50120.0028.044.002300035 0
  TTBN 25-45 45.038.125.0025.066.05.50110.0022.040.006179347 0
  TTBN 32-45 45.038.132.0018.066.05.50120.0028.045.006179348 0
  TTBN 40-52 52.045.240.0021.082.08.00160.0040.065.006179377 0