Professional Multi-Ruler 180 Degree Goniometer Angle Medical Spinal Ruler cm/inch
Two rulers organize in one body, with multi scale cm/ inch/ angle/ parallel line on ruler make this ruler can be used in many area.
Using special printing technology, the scale will not wear by long-term used.
Designed to measure a xis and range of motion.
It is a good tools for hospital, pharmaceutical or medical supplies as well as a for normal usage, used for measure the movement range of joints such as elbows, knees and fingers. also can be a general length measuring tool.