Nuprime Window sash replacement

A contractor says:
I need to order a sash lock for a window. Here is a pic of part of the lock. The handle is missing. I cannot send a photo of the handle. Also need sash balances.

User submitted a photo of window hardware.
By Season - All
Patent N09. 3.448.332
D 209.812 - D 2 5.676
Profile picture of Tom
Tom from SWISCO responded:
I believe this could be a match for our 90-042 Nuprime window lock. Let me know if this is a good match. I'm not sure what balances you need, though. I would need to see pictures of it removed from the window to start.
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