With different lengths, this set provide flexibility and convenience, making it a essential addition to any professional toolkit focused on precisions and efficiency Ideal for mechanical engineers, manufacturers, and inspectors, this set for professional who demand precisions in their work These extension rods high strength and hardness, with threading on both ends for easy integration with tool like altimeters and depth gauges Enhances your precisions measurements with the Digital Display Extension Rod Set, featuring high strength extenders, perfect for intricate tasks requiring gauge accuracy Perfectly suited for a variety of applications, including machining, equipment calibration, manufacturing, and laboratory precisions measurement, ensuring result, Manufacturer: JDNH