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I'm not sure if I've seen 2 mm, but we have carried the 2.5mm fiska jigs from Your Bobbers Down for years. They are tiny little guys with size 20 hooks. https://www.yourbobbersdown.com/product-p/handpainted.htmI see Acme jigs noted above. We sell a bunch of Acme '2mm' here too, and I'm not sure where Acme is measuring them, but they are equivalent to most brand's 4mm. Great jigs, but they definitely run bigger.
The jigs are on the way delivery 24JAN-24 Feb right on time.