Help identifying correct replacement balance

Question

Can not tell from the pictures on your site which balance I need part S380 or S385. My original part has the stamp 32 4 AN Caldwell. Thank you for your help.

User submitted photos of a window balance.

Tom · Accepted Answer

I'm afraid I can't tell which Series is best. The only difference between the Series 380 and Series 385 is the bottom shoe, specifically the depth, or "heel-to-toe" measurement. You will need to measure yours and refer to our dimensions to confirm the better match.