31538 casement window opener

A quick learner from 02543 says:
I need replacement for 31538 pictured above with measurements. Do you have?
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Casey from SWISCO responded:

Hello,

Take a look at our 39-031 and 39-032 Entrygard operators with a 4-7/16" link arm and 10-3/4" long arm. See the diagram below and make sure that you measure your operator arms the same way. Thank you!

Dimensions for 39-031
Dimensions for 39-031
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