[Accurate measurement, easy reading] Smooth metal wheel, loose finger design does not hurt the ruler, fast reading measurement, easy reading [High-quality stainless steel, carefully forged] Selection of high-quality stainless steel forging, using a hardened process, does not rust, more durable, longer life [Large-screen digital display, clear readings] Glass digital mirror, metric and imperial 2 modes to switch freely [Flexible measurement, fixing nut] Turn the nut to adjust the tightness, fixed measurement (clockwise, counterclockwise) [Laser scale, clearly visible] Laser engraving, fine forging process, the scale is clear, convenient and accurate readings For manufacturing work You will find pleasure in your daily work when you have a precision instrument to measure not only the external dimensions, but also internal dimensions and depths. The digital gauge is essential to ensure that material dimensions are always accurate. With its exceptional smoothness, thumbwheel, locking