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