{TAIL ~ A double ended metal cutting insert} includes a pair of {HEAD ~ circular cutting edges} disposed at respective end surfaces of the insert 
{ TAIL ~ A double ended metal cutting insert } includes a pair of { HEAD ~ circular cutting edges } disposed at respective end surfaces of the insert
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH