The OSG 20 spring length gage supplied by HSI, is designed to a camera and backlight for accurate measurement of characteristics such as spring length, pitch, and O.D. (outside diameter) of each spring during the coiling process. The OSG20 vision length gages will provide feedback to the coiling machine for sorting purposes and corrective action, according to parameters established for each spring. Histogram and distribution charts are displayed on the screen. Spring sorters are available in a variety of sizes and configurations, as well as retractable probes to move the sensor away during cutoff.