4-Step Thickness 5-10-15-20mm Ultrasonic Calibration Block in Duplex Stainless Steel for NDT

4-Step 5-10-15-20MM Thickness Ultrasonic Calibration Block Duplex Stainless Steel Precision 4-step calibration block manufactured from Duplex Stainless 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: 5 mm, 10 mm, 15 mm, 20 mm Manufactured from precision Duplex