Designed for precision, this crack width ruler is for inspecting concrete, plastic, and other materials. Its high accuracy allows users to measure crack widths and surface defects with confidence, ensuring that all issues are identified and addressed promptly. The tool's robust construction ensures performance in various environments. Features -Color:Multi -Material:Plastic -Size:10.40X6.10X0.20cm/4.09X2.40X0.08in -Quick and accurate: the high precision crack width ruler ensures fast and precise measurement of object dimensions, facilitating accurate measurement tasks for users -Versatile applications: the surface defect inspection ruler is suitable for various industries, capable of measuring objects of different sizes to meet diverse measurement needs - construction: made from reliable materials, width ruler is and can withstand long term use without damage, reducing replacement costs -Clear markings: the scale lines on the measurement ruler are clear and easy to read, with distinct numbers and graduations, making it simple for users to identify and read measurement results -Lightweight and portable: the plastic surface measurement tool is small and lightweight, making it easy to carry and use in different scenarios for convenient measurement tasks Package list: 3 x Plastic Crack Width Ruler