The inside surface of {TAIL ~ the replaceable cutter shell} 49 mates with the surface on {HEAD ~ the rolling cutter shell} 48 
The inside surface of { TAIL ~ the replaceable cutter shell } 49 mates with the surface on { HEAD ~ the rolling cutter shell } 48
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH