<HTML><FONT FACE=arial,helvetica><HTML><FONT SIZE=2 PTSIZE=10 FAMILY="SANSSERIF" FACE="Arial" LANG="0">Buy good ones...your life may depend on it....there are many 'grades of these , in the steel used,the ball/socket, and the fact that you are trying to use two mixed sizes ,changes the ratings....best to use one size thread and ball....for a Spit, the 7/16" are fine.</FONT><BR><BR><BR>**************<BR>Psssst...Have you heard the news? There's a new fashion blog, plus the latest fall trends and hair styles at StyleList.com.<BR> (http://www.stylelist.com/trends?ncid=aolsty00050000000014)</HTML>