Press-braking is also a popular application for robotic arms. By automating rolling procedures, we attain consistency of end products and provide safety to our work force since many accidents at work have occurred during this application. An important role is played by the gripper, which is mounted on the robot's extremity (flange) and takes on holding the sheets throughout forming. Holding is implemented with under-pressure (vacuum) by means of cup or magnets when sheets have large holes on them. Grippers require special design in order to handle application-specific sheets and not cause problems to the press-brake or the robot during operation.