Berg Engineering offers the Phased Array Calibration Block, designed by Paul Holloway of Holloway NDT & Engineering, which contains all of the required features of the ASME Sec V Art 4 Basic Calibration Block for non-piping applications on a longer, narrower, block. For more information, please contact one of our knowledgeable sales engineers by calling 847-577-3980 or emailing us at info@bergeng.com.