MI Windows Series 9770

Quick Learner from New Brunswick, NJ
Need 3 window cranks
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Casey
Casey from SWISCO
SWISCO
Expert

Hello,

I would recommend starting by comparing the specifications of the 39-220B and 39-221B to your assembly. We'll include the dimensions from our product page below. Take a look and let us know if you have any other questions or concerns. Thank you! 

detail of 39-221B
detail of 39-221B

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