ISO: 20" Heddle for a rigid Heddle loom

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Hi all!
I have a Schacht flip 20” rigid heddle loom and would like some additional heddles.
I have : 10 and 8

I want: 12, 5, 2.5 (I’m not sure if those are the exact #s, but basically, for thinner yarn, and then also for chunky yarn)