1. High-Quality Material: The Block Gauge is expertly crafted from 1018 Steel, ensuring durability and reliability for your testing needs. 2. Versatile Thickness Options: This 5-step pipe test block offers a range of thicknesses including 2.5mm, 5mm, 10mm, 15mm, and 20mm, making it suitable for various ultrasonic testing applications. 3. Precise Dimensions: Each Block Gauge measures 100mm in length, providing a consistent standard for accurate measurements during your testing processes. 4. Chemical Resistance: Designed with high concern for durability, this Block Gauge contains no harmful chemicals, making it safe for use in sensitive environments. 5. Optimal Performance: With its 5 wedge step configuration, this Block Gauge is designed to enhance the precision of your ultrasonic tests, ensuring optimal performance every time.