What's the best melds for the i70 off-hand tools? (e.g. Artisan's Spinning Wheel)

Most of the rest of the gear is pretty straightforward, as it can be maxed out to the stat caps, but for the chest piece that would require 6 materia, and for the off-hand tools, it would require 10, so there's choices to make, especially for the tools. I'm not sure where the points are going to be the most needed.