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Casey from SWISCO responded:
November 21, 2019
We are sorry to hear that your previous orders did not work out for you. We will do our best to help you get what you need. Can we have you send us two more photos showing both ends of the nylon fitting from a closer view? We'd like to see the detail. Also if there is some sort of stamping or marking on the part, please make sure to include that information as well. |
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Casey from SWISCO responded:
November 21, 2019
Thank you for replying back with the extra photos. Take a look at both our S351-21 and S390-21 balances. These look exactly the same with the exception of the depth measurement of the bottom balance shoe. The depth measurement for the bottom shoe of the Series 351 is 1" and for the Series 390 is 1-1/8". Measure the depth of your bottom shoe, like in the diagram below to determine which of the two balances would make the best match. Since your stamping does not match with any of ours, the only way to determine the best option would be to weigh your sash on a scale and refer back to the sash weight chart on the store page. 
Comparison of 15-001 & 15-002
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