Window balance

Hello, thank you for posting!

With this combination of attachments, you could have either an S380 or S385 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment.

Comparison of the S378, S380 and S385 balance shoes.

The length of your balance should measure 32" with a 3130 stamp option needed.