Product Description:
- 3" NIST Certified high definition, lead-free radiopaque extremity ruler used for direct measurements, teleradiology, CR and DR imaging
- Color: Clear acrylic
- Demarcations: 0.125" increments
- Ruler sold individually
- NIST certified traceable certificate included.
- Made in the U.S.A. by former members of the U.S. Armed Forces