{TAIL ~ The locking pin} is mounted to {HEAD ~ the upper body} and can thus be moved or adjusted up and down, relative to the lower body by threadedly engaging the upper and lower body sections 
{ TAIL ~ The locking pin } is mounted to { HEAD ~ the upper body } and can thus be moved or adjusted up and down , relative to the lower body by threadedly engaging the upper and lower body sections
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH 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 OTH OTH OTH OTH OTH