windshield wingnuts

Does anyone know where I can get one of those spring loaded wing nuts that lock the windshield down to the console. One of mine busted so now I have 2 holding down my windshield and it rattles a bit and is getting annoying. Thanks in advance.
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call stratos or call c&o marine in tn.both are great to deal with.make sure you didn't break the little ears inside the base like i did before. http://www.bassboatcentral.com/smileys/embarassed.gif

I'll 2nd C and O. Very inexpensive.