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