{HEAD ~ A pair} of vertical support arms are mounted on {TAIL ~ the base} with a transverse movable support bar mounted on the support arms for supporting the post hole digger assembly balanced along a curved section of its boom 
{ HEAD ~ A pair } of vertical support arms are mounted on { TAIL ~ the base } with a transverse movable support bar mounted on the support arms for supporting the post hole digger assembly balanced along a curved section of its boom
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH 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