In these preferred embodiments, the locator pins are integrally formed as {TAIL ~ part} of {HEAD ~ the inner core} 
In these preferred embodiments , the locator pins are integrally formed as { TAIL ~ part } of { HEAD ~ the inner core }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD