- 12"/ 31 cm NIST Certified high definition, lead-free radiopaque extremity ruler used for direct measurements on a scanogram, radiograph, x-ray or fluoroscopy.
- Dual Scale (imperial and metric)
- Engraving on detector side of the ruler, resulting in a more accurate measurement than those with the engraving on top.
- Color: Clear Acrylic
- Demarcations: 1/32" on top and 1 mm on bottom
- Ruler sold individually
- NIST certified traceable certificate included.
- Made in the U.S.A. by former members of the U.S. Armed Forces