LECO Corp., St. Joseph, Mich., offers updated literature that provides an overview of its hardness testing systems. Used for sample testing, measuring and reporting, the systems are precision-built with solid aluminum castings, and are equipped with clear, easy-to-read displays and control panels. A variety of objectives (2.5X to 100X) and touch panels are offered with the LM- and LV-Series. The LR and LCR-Series accommodates regular and superficial Rockwell scales.