A display device for holding and displaying an article comprises a panel and one or more straps. A lower frame is displaceably supported upon the base and includes a first plurality of upwardly extending and spaced apart walls. The force gauge of the HSA swaging tester device may be calibrated according to a selected type of HSA to undergo the swaging procedure by coupling a selected reference torque assembly to an axle connected to the actuator motor, the selected reference torque assembly being configured to impart a known torque onto the axle. The third data transfer means supplies the setting data to each of the plurality of the processing units individually.