width measurement ruler is an essential tool for assessing the severity of cracks in various materials. Its high precision flaw detection capabilities make it ideal for control and inspection processes. The transparency measurement chart allows for easy visualization of defects, ensuring that no imperfection goes unnoticed. Features -Color:Multi -Material:Plastic -Size:10.00X5.70X0.01cm/3.93X2.24X0.00in -Comprehensive measurement: suitable for chest cards, film rulers, dot gauges, line gauges, and various other tools -Precision tools: delivers accurate and dependable measurements for professional use -Durable and reliable: crafted from plastic materials, ensuring longevity and consistent performance -Portable and handy: its compact size and lightweight nature make it easy to carry and use on the go -Readable markings: features clear and distinct scale markings for effortless and precise measurement reading Package list: 1 x high precision sec chart