Sash Guide identification

A quick learner from Maryland says:
Looking to identify replacement sash guide part number.
Channel balances are definitely S380-32- 3130 option.
bonus points if you can tell me what hex nut size driver I need to use:)

User submitted a photo of a top sash guide.
Profile picture of Mike
Mike from SWISCO responded:
We appreciate you contacting us. Our 18-094 may be a good match for you, however, it is only available in black. Take a look at the measurements to see if it is indeed a match.
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