28 inch window channel balance see photos

Question

I think it is a 351 but I don't know what option. maybe 2730?
thank you

User submitted photos of a window balance.

Paul · Accepted Answer

Thanks for your question. If the depth of your bottom balance shoe is 1", then I would recommend going with our S351-28 channel balance with a 2730 option based on your stamp of "27-3".