A monolithic plastic sleeve is in situ molded on the tubular shaft and includes {HEAD ~ an integral lip} closely surrounding {TAIL ~ the solid shaft} 
A monolithic plastic sleeve is in situ molded on the tubular shaft and includes { HEAD ~ an integral lip } closely surrounding { TAIL ~ the solid shaft }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL