The high-precision crack width ruler is an essential tool for appearance inspection and defect measurement. Its transparent scale ensures clear visibility, allowing for accurate readings of surface flaws. This tool is nice for professionals who require precise measurements in their work, offer versatility and reliability in various inspection tasks. Features -Color:Assorted Color -Material:Plastic -Size:9.30X5.70X0.01cm/3.65X2.24X0.004in -Accurate and Reliable: The precision measurement ruler is designed to deliver consistent results, nice for detailed inspections -Lightweight and Portable: This flaw detection tool is easy to carry, a practical choice for who are frequently -Practical for Various Surfaces: The measuring ruler is versatile enough to measure different materials, including concrete, wood, and metal -Essential for Tasks: Utilize this precision flaw detection ruler for meticulous inspections, ensuring outcomes in your projects -Nice for Everyday Use: The measuring tool is suitable for both professional applications and personal projects, enhancing its practicality and appeal Package list: 2 x flaw detection tools