High Precision 2D Measuring System is an economical, practical point to point measurement tool, which is widely used in construction, machinery maintenance, and some other fields. It is aluminum retractable measure equipment, it has a very high measurement precision, and easy to operate, it can also be 3D measuring with the adapter connectors, the measurement process is not subject to site, equipment restrictions Superiority The high-precision measuring ruler is designed and manufactured for the purpose of improving the accuracy and convenience of testing and measurement in the repair of accident vehicles Packing List: 1. Main scale 2. 20-150mm scale 3. 20-340mm scale 4. Screw thread probe 5. Magnetic probe 6. Magnetic probe and lengthen base 7. 3D adapter 8. Large positioning probe 9. Longitudinal positioning probe 10. Small positioning probe 11. Size nut probe 12. CD, English manual