AR Tools?

Hi everyone,

What tools do I need to raise and lowe my standard front sight? I saw the bent casing in the Magpul DVD's but.
Is there a specific tool to buy though?

Thanks,
-B:D

http://www.bravocompanyusa.com/v/vsp...%20Sight-2.jpg

http://www.bravocompanyusa.com/ar15-...nt%20sight.htm

I use the old Live Round. I lost my tool a long time ago.