Top sash channel balance guide

A home owner from Newport Coast, CA says:
April 25, 2014
Dear Swisco. I ordered new channel balances for my window but when I went to install them I discovered that the sash guides were also broken. I looked through the many photos on your site but did not find a match. Was wondering if you have others or a substitute that would work. Photos and dimensions of a non-broken one are attached. There are no stamps or other markings.

Much thanks,
Greg
User submitted a photo of a top sash guide.
User submitted a photo of a top sash guide.
Profile picture of Paul
Paul from SWISCO responded:
April 28, 2014
Thank you for posting. Check out our 18-171 and see if this could work for you.
Stepped Sash Guide, Alpine
Stepped Sash Guide, Alpine
18-171
$1.35
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