Casement widow

A quick learner from Kettering Oh says:

Roto plastic base for crank handle broken Roto p/n G2-OSCP-02 Your p/n 39-248 shows as replacement is there a spacer that goes under it to bring to correct height? What is the part number? Thank's Michael 

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Emily from SWISCO responded:

Hi there!

It sounds like you're referring to the 39-557 Roto spacer. Look this over and see if this could be what you're looking for. 

Anatomy of a casement window
Anatomy of a casement window
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