LOOKING FOR THIS PART I DONT KNOW WHAT ITS CALLED

A contractor from SOMESET KY says:
July 5, 2018
But I can tell you what it does.. It goes at the top of the sash in a aluminum window from 1980 I think the company name is rauwling or rollings? out of Ohio ..
Can you confirm this info ?
This is the part that the balance hooks on to raise window.
I need about 20 of these or something like it.
Or a tip on how to make a replacement part, that will work in its place.
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Paul from SWISCO responded:
July 10, 2018

Thanks for contacting us. What you are showing us is a metal version of a top sash guide used by Rollyson. They have since been replaced with a clear nylon guide. Please see our 18-118 top sash guide pair. The width of these guides are 1" at the base. See if this could work in your sash. 
Rollyson Clear Top Sash Guide Pair
Rollyson Clear Top Sash Guide Pair
18-118
$3.97
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