Waygate Technologies Krautkramer 1 IIW [118-540-270] IIW Type 1 Calibration Block Carbon Steel. The Waygate Technology Krautkramer IIW Type 1 Block, a Baker Hughes business product (formerly GE Inspection Technologies), is for calibration of shear and longitudinal transducers, and for verification of shear wedge exit point and refracted angle. Made of carbon steel. Also can be used to check resolution and sensitivity. Dimensions: 12" x 4" x 1"