This high-precision measurement tool is designed for accurate inspection of surface defects, including cracks and spots. The transparent film ruler allows for easy visibility and precise measurements, ideal for various industries. Its multi-functional design ensures versatility, while the clear measuring guide helps in identifying flaws with utmost accuracy. Features -Color:Assorted Color -Material:Plastic -Size:9.30X5.70X0.01cm/3.65X2.24X0.004in -Clear Readability: The film ruler features clearly printed numbers and scales, easy to read and interpret during measurements -Lightweight Design: This crack width gauge meter is designed to be lightweight, ensuring convenient portability for professionals on the go -Versatile Applications: You can use this precision measurement ruler to accurately measure cracks, scratches, and spots at various surfaces -Enhanced Detection: The precision flaw detection ruler is an essential tool for detecting defects, ideal for construction projects -Ideal for : This measuring ruler serves as a reliable precision defect detection tool, nice for assessing the integrity of materials Package list: 2 x flaw detection tools