EKG Caliper ECG Calipers Measuring Tool with Ruler Black+Pink

This ECG calipers will not be easily damaged and will last a long time due to its protective case. And you can open and close it easily through its smooth feature.
The reason why you can adjust its tail's length according to your needs is that its tail is adjustable. What makes it convenient for you to measure is its feature with scale.
Made of fireproof material, it is very durable to use.
The length of this product is 12cm, the width is 1.6cm and the height is 0.8cm.
It is suitable for students to measure electrocardiogram.

color:Black+pink
Material:Metal + Plastic

Package Contents:
4 x ECG Calipers

Only the above package content, other products are not included.
Note: Light shooting 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.

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