• 

  Ngk-Spark BKR5ES-11

• 

  HANSA-FLEX 3BKR25NDT

• 

  Destaco BK-R25-82L25-1

• 

  Destaco BK-R25-82L32-1

• 

  Destaco BK-R25-82L40-1

• 

  Destaco BK-R25-82L50-1

• 

  Destaco BK-R25-82M-1

• 

  Hansa Flex BKR10

• 

  Kramp YB16BKR

• 

  NGK BKR5ES