button conversion between metric / imperials unit, 0 setting, and button on-offs Crafted from ABS, this Gauges is easy to clean and operates without batteries for user friendly functionality Perfect for individuals in the mechanical industry, enthusiasts, students, and those requiring accurate measurements 0-12.7mm ranging, thickness Gauges with 0.01 resolution, highs measurement accuracy Uncover the multifunction of this digital measuring tool, suitable for thickness, inner / outer diameter, and depth measurements, Manufacturer: Kaeltsyn