Tom from SWISCO responded:
October 28, 2020
Sure, this looks like a pretty basic coil balance assembly. See our 15-087 shoe carrier, Series 180 coil spring, and 16-024 mounting bracket. |
Tom from SWISCO responded:
May 25, 2021
There is no 2 pound version, to my knowledge. A 4 pound sash is extraordinarily light. I recommend that you triple check that, just to be sure. |