{HEAD ~ A push type expandable fixture} provided to secure a work piece to {TAIL ~ a rotatable machine} 
{ HEAD ~ A push type expandable fixture } provided to secure a work piece to { TAIL ~ a rotatable machine }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL