The surface defect inspection ruler is an indispensable tool for professionals who need to measure and monitor cracks, gaps, and other imperfections. Its high accuracy ensures that even the smallest defects are detected, providing valuable data for maintenance and repair work. The tool's user-friendly design makes it easy to handle and read, enhancing productivity. Features -Color:Multi -Material:Plastic -Size:10.40X6.10X0.20cm/4.09X2.40X0.08in -Efficient measurement: the plastic surface defect ruler allows for quick and accurate measurement of object dimensions, making precise measurement tasks efficient for users -Multifunctional use: the concrete crack inspection measuring tool is versatile and can be used in various industries to measure objects of different sizes, catering to diverse measurement needs -High durability: made from plastic materials, the high precision measuring tool is and can be used for extended periods without damage, saving on replacement costs -Easy to read: the scale lines are clear and visible, with easy to read numbers and graduations, enabling users to easily identify and read measurement results -Portable design: the measurement tool is compact and lightweight, making it easy to carry and use in different scenarios for convenient measurement tasks Package list: 3 x Plastic Crack Width Ruler