New Iron for the Veritas Plow Plane

I've recently been working on my old woodie plow plane and it got me thinking about the Veritas plow. When I bought it, I got a 1/4" and a 3/8" iron with it. But it seems most of the grooves I make these days are small. I absolutely love using the wooden plow, but the irons are a little funky. None of them are the nominal size - they're typically off by a bit (some more than others). For example,…