Power transmissions and gearing for machines, not for land vehicles; power transmission couplings for machines; machine parts, namely, keys for releasing machining bits, workpiece clamping attachments, tensioning devices for endless drive power transmissions, screwing-in tools, flexible couplings, square-splines, propeller shafts, socket head cap screw keys, tensioning pieces; machine tools, namely, workpiece clamping attachments, ratchet handles, torque wrenches; pneumatic-controls for machines, motors and engines; hydraulic-controls for machines, motors and engines; machine tool couplings; electrical drives for machines; percussion tool bits for machines; electric driving motors for machines; rotary tool bits for machines; sockets parts for machines; power-operated tools for use with machines, namely, socket spanners, wrenches, screw extractors, nut spinners, ratchet wrenches, screwdrivers; screwdriver bits for electric screwdrivers; screwdriver bits for machines electric screwdrivers; crank shafts for machines; linking devices, namely, connectors for power tools which fit between and allow connection of the power tool and a socket wrench or socket set

Hand-operated tools and implements, namely, ratchet handles, spanners, screw extractors, socket sets, tap ratchets, socket wrenches, monkey wrenches, squares, torque wrenches, wrenches, screwdrivers, pliers, splitters

measuring instruments, namely, protractors, angle finders, torque transducers, dynamometers; electric measuring devices, namely, wrenches for measuring torque, angle of rotation, yield point, dynamic torque audit, dial gauges for torque wrenches and torque screwdrivers, rotational protractors, rotational angle measuring heads, signal emitters for rotational angle measuring heads, electronic readout circuitry and digital display connected to a transducer to which torque is applied by a torque wrench or torque screwdriver for checking the torque output of torque wrenches and/or torque screwdrivers, motor mechanics stethoscopes, automobile service gauges, feeler gauges; digital measuring apparatuses, namely, dial gauge for checking the torque output of torque wrenches and/or torque screwdrivers; portable test apparatuses, namely, circuit testers, automotive voltage testers, screw pitch gauges