The laser etched JordcoĀ® e-RulerĀ® instrument is worn on the clinicianās finger The e-Ruler product includes a finger ring, and can be used independent of the EndoRingĀ® product. The rulerās markings are precisely laser etched providing enhanced contrast for accurate and easy calibration of endodontic hand and rotary files.
Each package contains:
- 3 finger rings (small, medium and large)
- 1 metal 30 mm ruler with rubber stop locks
– OR –
- 1 metal 30 mm ruler without rubber stop locks
Options include With or Without Rubber Stop Locks.




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