Cant find this channel balance

A quick learner from new york says:
this balance is 24" long and the pivot shoe is 1 3/8" wide 1/2" deep
Thumbnail of the uploaded file named image000000 (19).jpg
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Casey from SWISCO responded:

Hello,

I would recommend removing your pivot shoe from the window jamb to compare to the specifications of the 15-216 shown below. We'll also relate a few videos on this page to help you through the process. Thank you! 

Alternate image for 15-216
Alternate image for 15-216

How to Remove a Pivot Shoe (Cutout Method)
How to Remove a Pivot Shoe (Cutout Method)
VIDEO
WATCH >
How to replace a tilt-window channel balance.
How to replace a tilt-window channel balance.
VIDEO
WATCH >
How to remove window pivot shoes
How to remove window pivot shoes
VIDEO
WATCH >
Anatomy of a tilt window
Anatomy of a tilt window
VIDEO
WATCH >
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