2 size of Channels

A handy person from Dutch Caribbean, Bonaire says:

Hi,

One is marked 1730.

One is marked 2430.

Top and bottom tabs are shown in photos attached.

Thanks, Bill

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Paul from SWISCO responded:

Thank you for sharing your photos with us, Bill. I believe you will need the S377-18 and the S377-25 channel balances. Take a look and see what you think. If these are correct, then for the 18", go with the 1730 option and for the 25" balance, go with the 2430 option. 

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