Window spring

Question

Hello,

The channel metal to metal is 30"
Please let me know what is swisco part number to order?

Thank you
Mike

Emily · Accepted Answer

Hi there, Mike!

I recommend either our S380-30 or S385-30. The best match ultimately depends on the depth of the bottom shoe as shown below. You'll also want to select the 2940 stamp option.

Comparison of the S378, S380 and S385 balance shoes.