Truth Casement Window weatherstripping

A home owner from Playa Del Rey, California says:
I am enclosing a photo of a piece of the weatherstripping I need to replace around 2 casement windows. The entire piece is only 1/2" wide. there are no identifying markers on the entire strip.

I hope you can help...this has been a real challenge. I would appreciate any suggestions you can offer.
User submitted a photo of bubble seal.
Profile picture of Tom
Tom from SWISCO responded:
Please see our 58-055 angled base weatherseal. This may be what you need.
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