{HEAD ~ One or more sections} of the plastic inner member are drawn down in {TAIL ~ dies} to provide a large diameter section, a small diameter section and an intermediate transition section 
{ HEAD ~ One or more sections } of the plastic inner member are drawn down in { TAIL ~ dies } to provide a large diameter section , a small diameter section and an intermediate transition section
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH