{TAIL ~ The other end} of the pin carries {HEAD ~ a permanent magnet} in axially alignment with the sensor  
{ TAIL ~ The other end } of the pin carries { HEAD ~ a permanent magnet } in axially alignment with the sensor
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH