Originally Posted by Ratbert
According to the website other sizes are available, you have to contact a dealer.

The GAIA I includes thread adaptors for sizes M8-1.25, M12-1.25 and ¼”-20. Alternative thread size adaptors are available upon request through IsoAcoustics distributors.
Yes, the dealer should provide them on request, or a distributor should be able to do the same. You may need to allow a couple of additional days for them to arrive, unless you go direct to the distributor.

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