8 Step Test Calibration Block Step Wedge for Thickness Ultrasonic Thickness Gauge #1018 Steel 1.0'' 2.0'' 3.0'' 4.0'' 1.5'' 2.5'' 3.5'' 4.5'' with Air-Tight Plastic Storage Box

8 Step Test Calibration Block Step Wedge for Thickness Ultrasonic Thickness Gauge #1018 Steel 1.0'' 2.0'' 3.0'' 4.0'' 1.5'' 2.5'' 3.5'' 4.5'' with Air-Tight Plastic Storage Box

Nickel Plated ultrasonic Calibration Block UT Step Block Wedge 1018 Steel 5 Step 0.1/0.2/0.3/0.4/0.5'' Nickel-Plated for Corrosion and wear Resistance.with high Quality Carrying case and Certificate.

5 Step Test Calibration Block Step Wedge for Thickness and Linearity Calibration for Ultrasonic Thickness Gauge in NDT Testing #304 Stainless Steel 0.100'' 0.200'' 0.300'' 0.400'' 0.500''