{HEAD ~ a second portion} configured to engage {TAIL ~ a side} of a cutting tool disposed within the output shaft of the reciprocating assembly, the second portion including a bore receiving a lock spring therein configured for biasing the lock pin in the lock position; and 
configured to engage
{ HEAD ~ a second portion } configured to engage { TAIL ~ a side } of a cutting tool disposed within the output shaft of the reciprocating assembly , the second portion including a bore receiving a lock spring therein configured for biasing the lock pin in the lock position ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH