Dear Waynefia: All the AT headshells that comes with azymuth adjustement comes with overhang adjustement too.
That build material was magnesium has nothing to see with those cartridge adjustments, this one is made from aluminum and comes with the adjustements:
http://cgi.ebay.com/Audio-Technica-AT-LH13-OCC-Headshell-/140455624668?pt=LH_DefaultDomain_0&hash=item20b3cebfdc
Regards and enjoy the music,
Raul.