Jerry hit all the good points. Steel thickness, handle material, grind heights are the easy ones. Handle contouring is one of those subjective things that require you to get personal with a knife. Generally they all work nicely for the average sized hand, but outside of a personal preference for a thinner or thicker handle the palm swell contouring has to be felt to understand. I had an older Hunter once that had this fat palm swell that just felt amazing in my hands. I regret trading that one, as I have been through probably 3 others now and have never had a handle feel quite as nice. But I will say, maybe I am wrong, more recently outside of changes in thickness the overall contouring is more consistent on knives presently sold.