$11.99 (as of 26/08/2017 11:51 PDT details )
Features:
- Adjustable screws for arms loose and tight
- Blue , EKG ECG Caliper to measure electrocardiogram wave sections
- Brass arms with chrome plated feels heavier than other materials stability
- Protective plastic cover, 6 cm 2.4 inches molded ruler for easy reference
- 100% brand new, unopened.