4 Step Test Calibration Block Step Wedge for Thickness and Linearity Calibration for Ultrasonic Thickness Gauge in NDT Testing #1018 Steel 0.040'' 0.060'' 0.080'' 0.100''
4 Step Test Calibration Block Step Wedge for Thickness and Linearity Calibration for Ultrasonic Thickness Gauge in NDT Testing #1018 Steel 0.040'' 0.060'' 0.080'' 0.100''