TCN

trapezium shaped core

size:  
6x4.5x3 long bundle per 12.5 kg
6.5x4.75x4 long bundle per 12.5 kg
  packed per 500 gram coil
6.5x5x3 packed per 500 gram coil
6.9x5.25x3.7 long bundle per 12.5 kg

trapezium core also referred to as: spline reed