Power tool accessories, namely, hole-enlarging bits, carbide hole cutters, auger bits, drill bits, step drill bits, insert bits, forstner bits, high-speed twist drill bits, drywall cut-out bits, flat bits, wood- boring bits, metal boring bits, adjustable countersink, installer bits, router bits, masonry bits, roto-percussion drill bits, universal drill bits, drill bit cases, circular saw blades, jigsaw blades, screw extractors, fastener drive tools; machines and machine tools for the cutting and forming of materials; motor and engines except for land vehicles; machine couplings and transmission components except for land vehicles; agricultural implements, namely, coulters; incubators for eggs; power-operated screwdrivers