Paul from SWISCO responded:
May 25, 2016
Thanks for posting! Just to confirm, you're measuring just the outer tube, correct? For your particular part, I recommend our our Series 900 spiral balance. These aren't made with Black Tips, so you will have to weigh your sash to confirm the correct color tip option.
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Tom from SWISCO responded:
May 26, 2016
The bottom pivot bar in your second picture looks closer to our 26-379. This has the pivot bar actually built into the white block, so the two aren't able to be separated. Would this be a better match?
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