alternative for Pella 7138 429x

A home owner from re says:
June 23, 2023
I'm looking to find an alternative for my vintage window crank so my blinds can fit over it. I was looking at Pella t-cranks but it looks like my current window crank is from the older styles and the spline looks diff from current splines. Any ideas/suggestion for me to identify a t crank (or flat alternative) that can replace my current window crank?
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Bob from SWISCO responded:
June 23, 2023

Hello there. I'm afraid we don't sell a folding handle that would be compatible with this Pella operator. However, we do have the 39-227B T-crank handle. This would give you a lower profile though I can't guarantee it will give you the clearance needed for your blinds. Look over the specifications and see what you think. 
T-Crank Handle, 3/8" Spline for Pella
T-Crank Handle, 3/8" Spline for Pella
39-227B
$4.21
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