This precision card size gauge is designed to provide accurate measurements for various applications. The transparent film ruler allows for easy visibility and precise alignment, making it ideal for comparing blemishes and cracks. Its flexible design makes it can be used in a variety of settings, from woodworking to sports card grading. Features -Color:Transparent -Material:Plastic -Size:9.00X6.00X0.10cm/3.54X2.36X0.04in - : makes accurate measurement of various sizes, product Measuring Ruler and consistency -Easy operation: simple to use with a transparent material that allows for easy observation, enhancing work efficiency -Surface spot detection: quickly detects surface spots on products, ensuring appearance are maintained -Clear crack comparison: allows for clear comparison of product cracks, helping to identify and repair issues promptly -Versatile measurement: suitable for measuring point gauges, line gauges, spots, cracks, and various other measurement needs Package list: 1 x Measuring Ruler