Vetter Windows Sash Lock White for vinyl casement window
A quick learner from New Berlin, Wisconsin says:
April 3, 2014
Vetter Windows is out of business. I have been unsuccessful to this point at finding this replacement part.
Tom from SWISCO responded:
April 4, 2014
I would start by looking at our 38-139. Carefully compare the specs we show to your own hardware and see how they match up.