{HEAD ~ The pivotal stump} is seated within {TAIL ~ the housing}, the handle being locked against any axial displacement 
is seated within
{ HEAD ~ The pivotal stump } is seated within { TAIL ~ the housing } , the handle being locked against any axial displacement
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