As shown in FIG 2, {HEAD ~ the tip} also has an interior bore 28 having a center axis that coaxial with the center axis of {TAIL ~ the handle} 
As shown in FIG 2 , { HEAD ~ the tip } also has an interior bore 28 having a center axis that coaxial with the center axis of { TAIL ~ the handle }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL