R rjnagler Joined Nov 21, 2009 Messages 14 Location memphis, tenn Nov 26, 2009 #1 Who has an idea on the 'true synthetics' or class IV or V syn.
JHZR2 Staff member Joined Dec 14, 2002 Messages 53,273 Location New Jersey Nov 26, 2009 #2 please search, this has been discussed over and over again.