 a tool mounted in {HEAD ~ said tool holder} and having {TAIL ~ an axis} parallel to said longitudinal axis 
a tool mounted in { HEAD ~ said tool holder } and having { TAIL ~ an axis } parallel to said longitudinal axis
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH