Certainteed Casement Lock

A home owner from Seattle says:

I have what I believe to be a Certainteed window. The casement lock has broken. I am considering Swisco part # 38-139 or 38-138. Can you provide additional dimensions as identified in my attached PDF. I am looking for the following dimensions:
1. width of fork at its base
2. length of fork
3. length of the portion that inserts into the window. It would be the measurement taken past the screw holes.

Thank you.

User submitted a photo of a window lock.
Profile picture of Tom
Tom from SWISCO responded:
I agree, the two locks you picked out look similar. We actually have these dimensions shown on both their respective store pages. Make sure to look at the additional photos to review them.
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