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