Description This precision measurement tool is designed for accurately assessing various parameters such as diameter, area, and defects. The film ruler is for measuring diameter defects, while the crack width gauge meter ensures precise evaluation of cracks. Its high transparency allows for easy identification of flaws, making it an essential tool for control. Features -Color:Multi -Material:Plastic -Size:10.00X5.70X0.01cm/3.93X2.24X0.00in -Versatile measurement tool: suitable for measuring chest cards, film rulers, dot gauges, line gauges, and more, catering to various measurement needs -Accurate results: ensures precise and reliable measurement outcomes, making it a dependable tool for professionals -Durable construction: built to last with plastic materials, ensuring longterm use without compromising performance -Portable design: compact and lightweight, making it easy to carry and use anywhere, anytime -Clear scale: features clear and easytoread markings, allowing users to measure with confidence and easePackage list: 1 x high precision sec chart