3pc ECG 7 Step Ruler,ECG 7 Step Ruler for ECG/EKG Interpretation,

3pc ECG 7 Step Ruler,ECG 7 Step Ruler for ECG/EKG Interpretation, Description

ECG 7 Step Ruler: Designed with the scientific 7-step ECG interpretation method, it provides clear, intuitive reference points for those hard to remember key points with a step-by-step follow-through process!
Compact and Convenient: Designed to fit perfectly in your ID badge holder or pocket, this ruler ensures you have a reliable ECG interpretation tool readily accessible during your shifts or practice sessions
and Easy-to-Use: Made from high-quality plastic, the ruler is , easy to clean, and provides clear visibility of ECG readings for precise measurements and analysis

Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!
Colour:Photo Color
Material:plastic

Package Contents:
3 x ECG 7 Step Ruler
3 x Storage Box

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.