The chest card measuring film ruler is also ideal for inspecting and measuring line width defects. Its precision and transparency make it a valuable tool for quality control in industries where exact measurements are critical. To use, simply position the ruler defect and read the measurement directly from the marked scales, ensuring precise and reliable results. Features -Color:Multi -Material:Plastic -Size:10.00X5.70X0.01cm/3.93X2.24X0.00in -Exact dimension measurement: the chest card gauge film ruler ensures highprecision measurements, making it ideal for tasks that demand accurate dimensions. -Versatile surface defect detection: this tool measures dot gauges, line gauges, spots, and cracks, providing comprehensive surface defect detection capabilities. -Transparent scratch comparison tool: the transparent scratch ruler allows for clear and precise comparison of surface scratches, improving inspection accuracy. -Robust and reliable: constructed with materials, this measurement tool offers reliability, making it suitable for frequent use. -Userfriendly operation: its simple design makes it easy to use in various work scenarios, providing convenience and accessibility for all users. Package list: 1 x Flaw Detection Film Ruler