Due to the eccentric ring within the ball and encircling the shaft, enhanced support performance and {HEAD ~ strength} are realized by {TAIL ~ the adjustable support mount} 
are realized by
Due to the eccentric ring within the ball and encircling the shaft , enhanced support performance and { HEAD ~ strength } are realized by { TAIL ~ the adjustable support mount }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL