Window crank

A quick learner from Larkspur, Colorado. 80118 says:
White, vinyl, encasement windows.
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Tom from SWISCO responded:

Thanks for reaching out to us. Your operator looks like an older version of our 39-253LB . We also sell the 39-451 , which is sold separately. Look these over and let me know what you think.

A quick learner from Larkspur, Colorado. 80118 says:
Hey Tom, I'll order both. The cover( 39-451 ) seems to be rivited to 39-253 .
How to Orient a Dual-Arm Operator
How to Orient a Dual-Arm Operator
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Comparing the 39-253LB & 39-438B Operators
Comparing the 39-253LB & 39-438B Operators
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Anatomy of a casement window
Anatomy of a casement window
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