Aluminum framed double hung window balances

Quick Learner from Woodbridge, VA
I am looking for 23 sets (left & right) balances for older aluminum double hung windows. The metal piece is stamped with "3440 W" and it measures 35" x 5/8" x 1/2" and has a coil spring, rope and black slide feet. I have a picture too if that will help.
Thanks!
Chris
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2 Replies
Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

We should be able to assist, but it appears that the bottom nylon attachment is missing. Do you have an undamaged version that we could review clearer images of the top and bottom attachments? From there we can determine the series your window uses. Thank you! 

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