This high-precision crack width ruler is great for detailed inspections and measurements. The transparent design ensures clear visibility, while the precise markings allow for accurate size estimation. Ideal for use in various industries, it helps maintain product quality by identifying and measuring cracks, scratches, and other defects with ease. Features -Color:Transparent -Material:Plastic -Size:10.40X6.10X0.20cm/4.09X2.40X0.08in -Precision accuracy: the badge gauge film ruler ensures highprecision measurements, essential for detailed tasks. -Multiple applications: great for measuring line width, spots, scratches, and cracks, this ruler is highly versatile. -Durable build: constructed from sturdy materials, this ruler is built to last and withstand regular use. -Easytoread: the ruler's clear and distinct markings make it easy to obtain accurate measurements. -Effortless use: designed for ease of use, this tool is suitable for both formal and casual measurement tasks. Package list: 4 x Gauge film ruler