{HEAD ~ A tool holder} 16 for holding the insert, has walls forming, in cross section, a pair of straight holder positioning surfaces 80, 82 that abut a pair of {TAIL ~ insert locating sides}, while avoiding contact with the arms 60, 62 
{ HEAD ~ A tool holder } 16 for holding the insert , has walls forming , in cross section , a pair of straight holder positioning surfaces 80 , 82 that abut a pair of { TAIL ~ insert locating sides } , while avoiding contact with the arms 60 , 62
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH