【3-PIN MEASUREMENT PRINCIPLE】: adopting professional three-pin measurement method, the minimum measurable middle diameter exceeds 14mm, and with replaceable alloy spherical probe
【INTERCHANGEABLE PROBE】: equipped with alloy spherical probe, which can be selected according to different thread requirements, and the matching wrench is used to quickly zero
【PROFESSIONAL-LEVEL ACCURACY】: precision brake screw design, easy to lock the measurement results, ensure stable and repeatable data reading; suitable for 25-50mm internal thread middle diameter measurement, resolution 0.01mm
【RATCHET DEVICE】: built-in high-precision ratchet device, with precise internal mechanical structure, the measurement process is stable and smooth, the reading is accurate, reduce human error, and improve work efficiency
【LASER ENGRAVING】: the scale line adopts laser engraving technology, which is clear and wear-resistant, with high-definition ruler design, the reading is intuitive and clear at a glance, and it can be easily and accurately measured even in complex environments