1. Precision Measurement: The Test block features a 10-step design with thicknesses ranging from 2.5mm to 25mm, making it an essential tool for accurate ultrasonic calibration and testing. 2. High-Quality Material: Crafted from 1018 steel, this Test block ensures longevity and reliability in various testing environments, providing consistent performance over time. 3. Standard Certification: This Test block is standard certified, ensuring that it meets industry requirements for ultrasonic calibration, making it suitable for professional use in laboratories and inspection facilities. 4. Compact Size: Measuring 8" x 0.8", the Test block is compact and easy to handle, allowing for convenient storage and transport while still delivering precise measurements. 5. Versatile Applications: Good for thickness testers, the Test block can be used across various industries, including manufacturing, quality control, and research, making it a versatile addition to your testing equipment., Manufacturer: GQNBLVHZUPDM