Extension for an Anderson casement window

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Casey from SWISCO responded:
May 18, 2010
No,the 39-157, crank extension, only fits 11/32" spline.
We do not have anything similar for Andersen.
A home owner from NY says:
May 18, 2010
Will the 39-157 extension fit an Anderson casement window spline?
A quick learner says:
December 11, 2010
will this fit a 3/8 spline?
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
December 13, 2010
The Swisco 39-157 crank extension fits an 11/32" spline.
4" Crank Extension, 11/32"
4" Crank Extension, 11/32"
39-157
$25.59
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