Dynamometers; Length measuring gauges; Surface roughness testing machines and instruments; Electronic ultrasonic test equipment, namely, ultrasonic flaw detectors, thickness testers and hardness testers, for non-medical use; Laboratory equipment and supplies, namely, calipers; Microscopes; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Range finders; Surveying instruments; Ultrasonic thickness gauges; Wire ...