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Casey from SWISCO responded:
March 24, 2020
At first glance, your balance does look like our Series 380 balance. You just want to confirm the measurements of your nylon fittings match up to the fittings that come assembled with the Series 380. On the metal portion of your balance should be some sort of stamping or making on it. Use that information when determining which option to choose. If there are no stampings or markings, you will need to weigh your sash on a scale and refer to the sash weight chart listed on the store page. Get back to us if you happen to have any other questions. |
