{HEAD ~ The shoulder nut} 44 helps to minimize static load stress created by the off set center of {TAIL ~ gravity} of the mounted object O 
{ HEAD ~ The shoulder nut } 44 helps to minimize static load stress created by the off set center of { TAIL ~ gravity } of the mounted object O
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH