Channel balance ID help

A quick learner from Seattle says:
Hi I believe I have a 380 series based on what I could find on your site however, I'm sure sure of the stamp number. I attached a few images to help confirm the stamp number and whether this is a 380 series. Please let me know your thoughts.

User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Nathan. As long as the depth of your shoe is 1", then the Series 380 looks to be the best match. I would recommend our 3050 option, based on your stamp of 30-5.
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