Help identifying which Channel balancer to order

These are for Milgard windows FYI. Attached is a picture of the stamp - I'm guessing it means I also need to order a 2040 from your catalog - please confirm. It's 21" long ( as measured by the metal length.
What I think I need is either the 380 or 385 - but measuring 1 3/32 is hard to see - so I added the pictures for you.
thanks for the assist.
Sebastian



Thanks for reaching out to us, Sebastian. You definitely have either the Series 380 or Series 385. To my eye, the depth of your shoe looks to be 1", which would indicate the Series 380. However that is not always easy to tell from just a ruler. You will want to triple check that just to be 100% sure.

So I'm adding two more images marked up just to confirm for sure if it is the 380. Thanks for the assist. Oh and PS, is it the 2040 I have to order?
thanks!
Sebastian



Hey, Sebastian. You want to measure the overall depth of the shoe, not just to the top part of the wing. If the overall depth, wings and all, is 1-3/32", then you want the Series 385.
Like you said, though, 3/32" is a slight measurement and it's not easy to glean from a ruler. If you think it's tough on your end, it's even tougher with just a photo. At the end of the day you just have to measure it as carefully as you can and use your best judgement.