Operating at 512 Hz, the 14-170 Sonde is perfect for locating traceable rodders in underground pipes or conduit. The 1/4-20 female thread is compatible with 3/16" OD rods and connect to other rod diameters via a variey of adapters.
The 9-169-M10 is perfect for converting your Buddy System rodder into a detectable push rod when paired with any of the Vivax-Metrotech Sondes.