Thanks for the additional information, Sean. It's actually fairly common for one attachment to have wings and the other not to. If one does not have wings, then there may be an obstruction in the channel, as you suggested, that would interfere with the balance's operation. Regardless, it's always wise to replace your hardware with what was installed originally.
Now, to begin this order, please take a look at S395-27 with the stamp option of 2630.
Hi Tom,
my parts measure about 1-1/8". These are from a rental house, so I can't take a closer look at the window right now to understand better how they work but it seems odd that one end would have wings and the other not. I assume that they run in the same channel, maybe there's a part at the bottom of the channel that precludes wings on the shoe? Does that make sense?
Thanks, hope that's enough info. Let me know how much parts for 2 windows will cost.
Sean