replacement crank hardware

A home owner from Porter Ranch, CA says:

March 26, 2020

I have over 30 windows that need this crank. Several of them do not grip, so I need to replace. Looking at the picture, do you have this model 45001. And any feedback will be appreciated.

Thumbnail of the uploaded file named Window Crank 45001.JPG

Bob from SWISCO responded:

March 27, 2020

Hey there. Is the diameter of the spline that these crank handles fit around 11/32"? If so, see our 39-114L.

A home owner from Porter Ranch, CA says:

March 27, 2020

It appears to be 5/16 or 10/32. Is that a possible measurement. Or did I measure wrong. Is there such a size? MAYBE THAT IS WHY SO MANY OF MY CRANKS DO NOT grab tightly.

Please advise my nest steps. Maybe by one to see if it works?

Bob from SWISCO responded:

March 30, 2020

Could you double-check your measurement? I'm pretty confident this should be 11/32"; certainly the style of the operator matches those that commonly have this spline diameter.

Crank Handle, 11/32"

39-114L

$4.42

SWISCO Window Operator Crank Handles

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