Window sash stops

A contractor from fort myers florida says:
I am in need of 4 stops that attach to the window sash that holds the tension and spring bar in place

Thanks Dave
A customer submitted photo of a top sash guide.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting, Dave! Please take a look at our 18-178 Channel Balance Guide Pair and match their dimensions to your own hardware. Do you think this would work for you? Please let me know.
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