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