Window frame corners for aluminum storm windows
A quick learner says:
May 31, 2016
Numbers I found on the web 25003, 25005
Tom from SWISCO responded:
June 2, 2016
I'm afraid those numbers don't tell us what you have. If possible, please remove one of the corners in question from the window and show us a picture of it. Please also provide detailed dimensions, especially the opening in the frame where the corner goes.