Part number

Question

There are two balances on each window. The windows are 60"x40"

Tom · Accepted Answer

Thanks for your photos. Based on what I see here, you have either our S351-39 or S390-39 depending on the depth of the bottom shoe. That's the only difference between them. I recommend measuring your shoe and referring to our dimensions to confirm the best match.

Comparison of the S351 and S390 balance shoes.