The press fit enables {HEAD ~ a rotation} and an axial displacement between {TAIL ~ the holder} and sensor head 
The press fit enables { HEAD ~ a rotation } and an axial displacement between { TAIL ~ the holder } and sensor head
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH