trying to find this balance shoe

Hey there!

Thanks for reaching out to us. We don't sell this exact shoe but the 15-177 is similar. Note that your old springs won't work with this so you'll need the compatible Series 152 (sold separately). To determine the proper spring weights, you'll have to weigh the window sash and divide the weight by the total number of springs in the window.

Let us know if you have any questions!