Window balance and extraction clips

A landlord from oregon says:
window says it is a GAF, like the roofing materials. The window does not have metal extraction clips or holes for clips. I don't know what the square pieces plastic pieces are for. I need 2 new window balances.
Thumbnail of the uploaded file named Length
Thumbnail of the uploaded file named Channel Balance
Thumbnail of the uploaded file named 19 6 Stamp
Thumbnail of the uploaded file named Take out clip
Thumbnail of the uploaded file named Window Channel
Profile picture of Lauren
Lauren from SWISCO responded:

Hello, thank you for posting,

We can supply your replacement balances but it will need to be a custom order due to the length, extended travel pulley system and unique combination of end attachments. 

To further review, I will need to see a clearer picture of the metal hook at the bottom of the balance to confirm the series you need. 

The white plastic pieces shown in your picture are the take out clips. They insert into the window channel to help install the balances. If you need new ones, please review the 16-035A as a replacement option. 

Dimensions for 16-035A
Dimensions for 16-035A

Additional dimensions for 16-035A
Additional dimensions for 16-035A

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