fine sculpting hand tools for use in pottery, namely, handheld clay cutters, scoring knives, engraving needles, clay rollers, clay stamping tools, clay modeling tools, clay trimming tools, clay cutting bows, clay carving tools of metal, wood, and plastic for shaping and forming unvitrified clay, namely, knives, saws, scoops, chisels, drills, blades, ribs, taps and dies