Paul from SWISCO responded:
January 6, 2017
In the last twenty five years, storm door companies have found that designing plastic retainer strips instead of using the old fashion storm door clips and screw combination is less expensive. The problem is that every different door company (and even the same company) changes the retainer strip almost every year, making it almost impossible to stock them. We suggest using something like our 70-180 storm door clip and drilling a hole for a 33-020 screw.
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