A pair of vertical support arms are mounted on {TAIL ~ the base} with {HEAD ~ 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 
A pair of vertical support arms are mounted on { TAIL ~ the base } with { HEAD ~ 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
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD 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