I have some weatherguard windows that I'm trying to find snap in glazing for. the images on your page are close but not exactly right. the exposed surface is approx. 3/4" and the bottom leg is 5/16ths
Paul from SWISCO responded:
March 22, 2016
Thanks for posting. We don't have an exact match, but see our 55-017, 55-057, and 55-127 to start out with. One of these could possibly work as a substitute. Carefully review them and tell me what you think!