If a zero grind is what I think it is, it is probabally the one I want(flat to the edge and then a convex put on the very edge).
I think a zero edge is any edge that has no seconday bevel at all -- the second Scrap6LE i got had a convex edge that was blended into the primary grind, but the angle on both of them becomes more obtuse up to the edge, to varying degrees. I hope this helps...
