Might be Anderson

A quick learner from Kailua, HI says:
Top part on jamb and sill part are 10 inches
Bottom on window is 7.5
Crank part is 5 inches
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Casey from SWISCO responded:

Hello,

Take a look and compare the specifications of the 39-035 EntruGard operator and 36-048 hinge set, as well as the rest of the related items, to your original hardware. Thank you! 

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