From double hung tilt window
Quick Learner from New york
Oct 24, 2018 1:14 pm
Appears to be bottom part of balance spring that lower sash slots into
1 user uploaded image
2 Replies
Tom from SWISCO
Nov 1, 2018 1:35 pm
This looks like part of a pivot shoe, but much of it has broken off so I'm not sure what to recommend. Do you have an undamaged version we can see? Could you also tell me its width and thickness?