4 Step Ultrasonic Calibration Block with 3-5-10-15mm Thickness in 1018 Steel for Ultrasonic Testing

4 Step Ultrasonic Calibration Block with 3-5-10-15mm Thickness in 1018 Steel Precision 4-step calibration block manufactured from 1018 steel, designed for accurate calibration of ultrasonic thickness gauges. Features four distinct thickness steps for comprehensive testing and verification. Product Features 4-step calibration block for ultrasonic thickness gauges Four distinct thickness steps: 3 mm-5 mm-10 mm-15 mm Manufactured from precision 1018 steel Designed for comprehens