| Discussion | Posts | Last Post Date | ||
|---|---|---|---|---|
| 770 balancer rivet at the top for the hook | 2 | Nov 27, 2017 | ||
| Series 770 with a rivet at the top | 2 | Oct 9, 2017 | ||
| Window spring |  | 2 | Aug 8, 2016 | |
| Unique balancer 19-D-40 | | 2 | Jul 18, 2016 | |
| tilt window balances and misc parts | | 2 | Jul 13, 2016 |
