380 channel question

A handy person from USA says:
Your 380 Series matches my older Caldwells. I have question with weight. My Caldwell say 27 4 JJ. I would assume the 4 is weight and around 50(or more). So that is for two so which option would I want for weight on yours.I also need the parts as seen in images for the window itself. The first 2 pictures are top of window part and the 3rd image is cracked in half but flat for bottom.

can you give me part numbers for those so I can order.

User submitted photos of window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Chance. Please see our 18-124P. I think this is could be the part you need. As for the balance's stamp option, "27 4" usually corresponds to our 2740 option, yes. We have a chart on the S380-28 store page that lists all options and how much weight they can support that you can use as reference, in case you're still unsure.
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