





📐 Calibrate like a pro — precision that sets you apart!
The YUSHI 5 Step Calibration Block is a precision-engineered 1018 steel tool designed for ultrasonic thickness gauge calibration. Featuring five incremental thickness steps from 0.1'' to 0.5'', it meets ASTM E797-05 standards and comes with a certification report. Manufactured by a trusted brand with 20 years of NDT experience and ISO, CE & RoHS certifications, it ensures reliable, accurate calibration for professionals demanding top-tier quality.











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