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