Turn signal thread size??

[Clancy]

Hi gang
Was just wondering if anyone knew the thread size for the turn signals??

Some turn signals say 8mm
http://cgi.ebay.com.au/Suzuki-GS-400-450-500-550-650-750-850-1000-Indicators-/370346831735?cmd=ViewItem&pt=AU_Motorcycle_Parts_Accessories&hash=item563a642f77

and some say 10mm
http://cgi.ebay.com.au/Suzuki-GS-400-450-500-550-650-750-850-1000-Indicators-/140305452890?cmd=ViewItem&pt=AU_Motorcycle_Parts_Accessories&hash=item20aadb4f5a

Its a 2006 naked if that helps

Thanks heaps for your time
Clancy