{HEAD ~ End} 45 of {TAIL ~ sleeve} 42 sits against shoulder 33 or center conductor contact 31 so that the position of pointer 44 indicates the position along an axis A of shoulder 33 relative to end 321 
of
{ HEAD ~ End } 45 of { TAIL ~ sleeve } 42 sits against shoulder 33 or center conductor contact 31 so that the position of pointer 44 indicates the position along an axis A of shoulder 33 relative to end 321
HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH