{TAIL ~ a second portion} configured to engage a side of a cutting tool disposed within {HEAD ~ 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 
{ TAIL ~ a second portion } configured to engage a side of a cutting tool disposed within { HEAD ~ 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
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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