Portable electric power tools included in this Class and being grinding apparatus, drilling apparatus, reamers, hammers, nailers, staplers, chippers, riveters, concrete breakers, screw, bolt and nut drivers, polishers and buffers, saws, shears and nibblers, tappers, stud setters, wrenches, sanding machines, planers, routers, paint strippers, sharpeners for drill bits, saw blades and router cutters, domestic gardening apparatus including string trimmers and hedge trimmers