Window balance

Question

From plastic end to the other end of plastic is 34 inches from the end of metal channel to the other end of metal channel is 33 inches the etching says 32-3 Gus cmc I think the last two letters are st not sure

Bob · Accepted Answer

Thanks for posting. This looks like either an S380-33 or S385-33, depending on the shoe depth. See below. For a stamp choose 3230.

Comparison of the S378, S380 and S385 balance shoes.