This slanted or chamfered surface provides easy assembly of stem 8 within hollow shaft 60 and {HEAD ~ engagement} of {TAIL ~ spring clip} 50 with slit 61 
This slanted or chamfered surface provides easy assembly of stem 8 within hollow shaft 60 and { HEAD ~ engagement } of { TAIL ~ spring clip } 50 with slit 61
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH