Series 770 with a rivet at the top

A quick learner from Naugatuck, CT says:
October 4, 2017
I have a channel balance that looks like the series 770 but instead of the white plastic clip in the end of the channel there is another rivet. The # stamped on it is 20B and it is white. Is there a balance that you have with the two rivets?

Thanks
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Tom from SWISCO responded:
October 9, 2017
Sure, we can actually custom make this for you. Could you just show us a picture of where the rivet is installed at the top? Can you also tell us how many you need?
20" Series 770 Balance
20" Series 770 Balance
S770-20
$12.00
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