Non tilt window channel balance

Question

Need help identifying which balances I can purchase to replace these.
stamped 26 4 BW CMC 4
metal channel is 27" long

thank you

Bob · Accepted Answer

Hello there. This looks like either the S380-27 or S385-27, depending on the shoe depth. See below. For a stamp option choose 2640.

Comparison of the S378, S380 and S385 balance shoes.