window handle and shaft replacement

A home owner from Boston, Ma says:
I am looking for a replacement of the window crank handle and the shaft that goes with it. existing crank handle in pict 1 & 2, broken handle base in pict 3.

the installed window does not show a product no. except for Del Mar of Canada.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Have a look at our 39-387 and 39-388 and see if these can work for you. Just make sure the dimensions match. If they differ in any way, let me know!
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