7 sewing machine parts, namely needles, needle plates, screws, nuts, bolts, washers, lock washers, springs, shafts, studs, gauges, knives, pressers, feeders, folders, hemmers, feet, toes, guards, joints, hinges, cams, clutches, rings, eyelets, thread guides, clamps, hooks, bushings, latches, levers, locks, loopers, pulleys, bobbins and bobbin cases, motors, gears, shuttle drivers, spreaders, rockers, felts, foot pedals, plugs, sockets, switches, brackets, pumps, brakes, treadles, lamps, goosenecks, shades, support blocks, shirrings, pins, brothers, spindles, rubber bumpers, dials, rufflers, oil receptacles, circuit breakers, brushes, and knife holders