Iskra KNB1560 Interference Suppression Class X2
Iskra KNB2520 Interference Suppression Class Y
Iskra PNZ10Z - Horizontal Type (Slot adjust)
Iskra PNZ11Z - Vertical Type (Slot adjust)
Iskra PNZ10Z - Horizontal type (Finger adjust)
Iskra PNZ11Z - Vertical type (Finger adjust)