A digging tool system provides a combination pickaxe and shovel superior tootherdigging tools in that it effectively allows a user to both break apart denseor impactedmaterial and to move the material with a single tool. The digging deviceincludes a digginghead with a generally triangular blade which is capable of penetrating andmoving substrate.The blade has a vertically and horizontally curved face, with a greater depthof curve on oneside of the horizontal curvature, and a substrate-piercing tip formed by theapex of the bladewhich is positioned off-center relative to a handle. The greater depth on oneside and theoff-center placement of the substrate-piercing tip allow for material to bemoved to one side asthe digging device is pulled through the material.