Anti rotation stoppers for DM10 MKii Pro

[demackay]

Hello. I bought a used DM10 MKii Pro kit last year but recently realized it did not come with the anti rotation stoppers that sit underneath the cymbals. I'm having trouble finding replacement parts especially because these parts differ from one model to another. Do you know which Alesis kits use the same anti rotation stoppers as the DM10 MKii Pro? Or any suggestions on where to source these parts?

Thanks in advance.