The high precision sec chart and flaw detection film ruler are designed to offer accurate measurements for control purposes. The diameter size estimation tool and line width measurement tool ensure precise evaluations of dimensions and defects. Its transparency feature allows for easy identification of imperfections, making it an indispensable tool for professionals. Features -Color:Multi -Material:Plastic -Size:10.00X5.70X0.01cm/3.93X2.24X0.00in -Multipurpose tool: It's for measuring chest cards, film rulers, dot gauges, line gauges, and more, fulfilling various measurement needs -Accurate and reliable: have precise measurement results, making it a trustworthy tool for professionals - durability: built with plastic materials, ensuring extended use without degradation -Compact and portable: designed for easy portability, allowing users to measure conveniently anywhere -Clear and accurate markings: the welldefined scale ensures users can read measurements quickly and accurately Package list: 1 x high precision sec chart