Use a high quality optical comparator from Grainger to inspect a broad range of manufactured parts for quality control purposes. Using optical measures, the comparator projects a magnified image of the part onto a glass screen so two-dimensional measurements can be taken and compared to prescribed specifications. Check this selection to find horizontal, vertical and video optical comparators with 10X magnification power in a variety of sizes and illumination types. When it comes to quality control, you can't go wrong with an optical comparator from Grainger. Shop now!