This high-precision measurement tool is designed for inspecting surface flaws, cracks, and defects. Made from transparent plastic, it allows for easy visibility and accurate readings. Ideal for use in construction, engineering, this ruler ensures precise measurements of cracks, scratches, and spots on various surfaces. Features -Color:Multi -Material:Plastic -Size:9.50X6.00X0.01cm/3.73X2.36X0.00in -High precision measurement: the high precision ruler for cracks ensures accurate measurement of various sizes and distances, making it ideal for detailed inspections -Versatile application: suitable for measuring spots, cracks, comparisons, and scratches in multiple scenarios, providing comprehensive inspection capabilities -Practical material: made from transparent, wear-resistant material, this tool is designed for long-term use without compromising accuracy -Portable design: its compact size makes it easy to carry and simple to operate, fitting in various usage environments -Clear markings: features clear scale lines and markings, allowing users to read measurement results accurately and effortlessly Package list: 1 x plastic crack gauge ruler