This Test Key fits the majority of fire alarm test points including ADT, Apollo, Chubb, Hochiki, Nittan, Notifier, Protec, System Sensor, Ziton and many more. KAC Test keys fit the new and old type of KAC call points, double end for new style and single end for old style points. Allows the user to perform a manual test without breaking the call point glass. Some products to go perfectly with the KAC Test Key: Fire Alarm Break Glass, Plastic Call Point Cover or Conventional Fire Alarm Panel.