SWISCO - The Replacement Hardware Authority

Pella Crank extensions

A home owner from USA says:
Hello, we need some Pella window crank extensions. Do we need your 3/8" or 11/32"? It
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Paul from SWISCO responded:
I believe Pella uses a 3/8" spline, but you should confirm just in case. See our 39-422 3/8" extension.
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