{HEAD ~ The geometry} of {TAIL ~ the circumferential ridge} or groove can optionally be modified to increase or decrease the amount of force required to effect insertion or removal of the ferrule inside the cavity 
of
{ HEAD ~ The geometry } of { TAIL ~ the circumferential ridge } or groove can optionally be modified to increase or decrease the amount of force required to effect insertion or removal of the ferrule inside the cavity
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH