Hand-operated cutting tools; hand tools, namely safety utility knives; hand tools, namely ripper knives and graphic cutters for industrial and commercial purposes; ring knives, namely safety utility knives having a ring-shaped handle for industrial and commercial purposes; safety utility knives with automatic blade retraction, with fully automatic blade retraction and with a concealed blade; hand tools, namely, deburrers for removing industrial plastic burrs and ridges; cutters, namely box cu...