Add External Tool to get Public key token in Visual studio 2008

In Visual studio 2008/2005
Go to Tools and select external tools
Click Add and fill in the following

For 64 bit
Title: Get Public &Key Token
Command: C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\v2.0\Bin\sn.exe
Arguments: -T "$(TargetPath)"


for 32bit OS
Title: Get Public &Key Token

Command: C:\Program Files\Microsoft SDKs\Windows\v6.0A\Bin\sn.exe
Arguments: -T "$(TargetPath)"

And Click "OK"

Now If you go to Tools , you should be able to see "Get Public Key Token"